28577178

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 80179200

約数和(自身を除く): 51602022

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 23, 27, 38, 42, 46, 54, 57, 63, 69, 114, 126, 133, 138, 161, 171, 173, 189, 207, 266, 322, 342, 346, 378, 399, 414, 437, 483, 513, 519, 621, 798, 874, 966, 1026, 1038, 1197, 1211, 1242, 1311, 1449, 1557, 2394, 2422, 2622, 2898, 3059, 3114, 3287, 3591, 3633, 3933, 3979, 4347, 4671, 6118, 6574, 7182, 7266, 7866, 7958, 8694, 9177, 9342, 9861, 10899, 11799, 11937, 18354, 19722, 21798, 23009, 23598, 23874, 27531, 27853, 29583, 32697, 35811, 46018, 55062, 55706, 59166, 65394, 69027, 71622, 75601, 82593, 83559, 88749, 107433, 138054, 151202, 165186, 167118, 177498, 207081, 214866, 226803, 250677, 414162, 453606, 501354, 529207, 621243, 680409, 752031, 1058414, 1242486, 1360818, 1504062, 1587621, 2041227, 3175242, 4082454, 4762863, 9525726, 14288589, 28577178]

約数ペア:

[(1, 28577178), (2, 14288589), (3, 9525726), (6, 4762863), (7, 4082454), (9, 3175242), (14, 2041227), (18, 1587621), (19, 1504062), (21, 1360818), (23, 1242486), (27, 1058414), (38, 752031), (42, 680409), (46, 621243), (54, 529207), (57, 501354), (63, 453606), (69, 414162), (114, 250677), (126, 226803), (133, 214866), (138, 207081), (161, 177498), (171, 167118), (173, 165186), (189, 151202), (207, 138054), (266, 107433), (322, 88749), (342, 83559), (346, 82593), (378, 75601), (399, 71622), (414, 69027), (437, 65394), (483, 59166), (513, 55706), (519, 55062), (621, 46018), (798, 35811), (874, 32697), (966, 29583), (1026, 27853), (1038, 27531), (1197, 23874), (1211, 23598), (1242, 23009), (1311, 21798), (1449, 19722), (1557, 18354), (2394, 11937), (2422, 11799), (2622, 10899), (2898, 9861), (3059, 9342), (3114, 9177), (3287, 8694), (3591, 7958), (3633, 7866), (3933, 7266), (3979, 7182), (4347, 6574), (4671, 6118)]