12728716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:80

約数の個数: 108

約数和(自身を含む): 32011504

約数和(自身を除く): 19282788

約数列:

[1, 2, 4, 7, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 68, 77, 91, 119, 121, 143, 154, 182, 187, 221, 238, 242, 286, 289, 308, 364, 374, 442, 476, 484, 572, 578, 748, 847, 884, 1001, 1156, 1309, 1547, 1573, 1694, 2002, 2023, 2057, 2431, 2618, 3094, 3146, 3179, 3388, 3757, 4004, 4046, 4114, 4862, 5236, 6188, 6292, 6358, 7514, 8092, 8228, 9724, 11011, 12716, 14399, 15028, 17017, 22022, 22253, 26299, 26741, 28798, 34034, 34969, 41327, 44044, 44506, 52598, 53482, 57596, 68068, 69938, 82654, 89012, 105196, 106964, 139876, 165308, 187187, 244783, 289289, 374374, 454597, 489566, 578578, 748748, 909194, 979132, 1157156, 1818388, 3182179, 6364358, 12728716]

約数ペア:

[(1, 12728716), (2, 6364358), (4, 3182179), (7, 1818388), (11, 1157156), (13, 979132), (14, 909194), (17, 748748), (22, 578578), (26, 489566), (28, 454597), (34, 374374), (44, 289289), (52, 244783), (68, 187187), (77, 165308), (91, 139876), (119, 106964), (121, 105196), (143, 89012), (154, 82654), (182, 69938), (187, 68068), (221, 57596), (238, 53482), (242, 52598), (286, 44506), (289, 44044), (308, 41327), (364, 34969), (374, 34034), (442, 28798), (476, 26741), (484, 26299), (572, 22253), (578, 22022), (748, 17017), (847, 15028), (884, 14399), (1001, 12716), (1156, 11011), (1309, 9724), (1547, 8228), (1573, 8092), (1694, 7514), (2002, 6358), (2023, 6292), (2057, 6188), (2431, 5236), (2618, 4862), (3094, 4114), (3146, 4046), (3179, 4004), (3388, 3757)]