2783008228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{353}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 6644211840

約数和(自身を除く): 3861203612

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 121, 143, 154, 179, 182, 242, 286, 308, 353, 358, 364, 484, 572, 706, 716, 847, 1001, 1253, 1412, 1573, 1694, 1969, 2002, 2327, 2471, 2506, 3146, 3388, 3883, 3938, 4004, 4589, 4654, 4942, 5012, 6292, 7766, 7876, 9178, 9308, 9884, 11011, 13783, 15532, 16289, 18356, 21659, 22022, 25597, 27181, 27566, 32123, 32578, 42713, 43318, 44044, 50479, 51194, 54362, 55132, 63187, 64246, 65156, 85426, 86636, 100958, 102388, 108724, 126374, 128492, 151613, 170852, 179179, 201916, 252748, 281567, 298991, 303226, 353353, 358358, 442309, 555269, 563134, 597982, 606452, 695057, 706706, 716716, 821431, 884618, 1110538, 1126268, 1195964, 1390114, 1413412, 1642862, 1769236, 1970969, 2221076, 2780228, 3285724, 3886883, 3941938, 4865399, 5750017, 7645627, 7773766, 7883876, 9035741, 9730798, 11500034, 15291254, 15547532, 18071482, 19461596, 23000068, 30582508, 36142964, 53519389, 63250187, 99393151, 107038778, 126500374, 198786302, 214077556, 253000748, 397572604, 695752057, 1391504114, 2783008228]

約数ペア:

[(1, 2783008228), (2, 1391504114), (4, 695752057), (7, 397572604), (11, 253000748), (13, 214077556), (14, 198786302), (22, 126500374), (26, 107038778), (28, 99393151), (44, 63250187), (52, 53519389), (77, 36142964), (91, 30582508), (121, 23000068), (143, 19461596), (154, 18071482), (179, 15547532), (182, 15291254), (242, 11500034), (286, 9730798), (308, 9035741), (353, 7883876), (358, 7773766), (364, 7645627), (484, 5750017), (572, 4865399), (706, 3941938), (716, 3886883), (847, 3285724), (1001, 2780228), (1253, 2221076), (1412, 1970969), (1573, 1769236), (1694, 1642862), (1969, 1413412), (2002, 1390114), (2327, 1195964), (2471, 1126268), (2506, 1110538), (3146, 884618), (3388, 821431), (3883, 716716), (3938, 706706), (4004, 695057), (4589, 606452), (4654, 597982), (4942, 563134), (5012, 555269), (6292, 442309), (7766, 358358), (7876, 353353), (9178, 303226), (9308, 298991), (9884, 281567), (11011, 252748), (13783, 201916), (15532, 179179), (16289, 170852), (18356, 151613), (21659, 128492), (22022, 126374), (25597, 108724), (27181, 102388), (27566, 100958), (32123, 86636), (32578, 85426), (42713, 65156), (43318, 64246), (44044, 63187), (50479, 55132), (51194, 54362)]