28123368

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 88166400

約数和(自身を除く): 60043032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 79, 84, 91, 104, 156, 158, 163, 168, 182, 237, 273, 312, 316, 326, 364, 474, 489, 546, 553, 632, 652, 728, 948, 978, 1027, 1092, 1106, 1141, 1304, 1659, 1896, 1956, 2054, 2119, 2184, 2212, 2282, 3081, 3318, 3423, 3912, 4108, 4238, 4424, 4564, 6162, 6357, 6636, 6846, 7189, 8216, 8476, 9128, 12324, 12714, 12877, 13272, 13692, 14378, 14833, 16952, 21567, 24648, 25428, 25754, 27384, 28756, 29666, 38631, 43134, 44499, 50856, 51508, 57512, 59332, 77262, 86268, 88998, 90139, 103016, 118664, 154524, 167401, 172536, 177996, 180278, 270417, 309048, 334802, 355992, 360556, 502203, 540834, 669604, 721112, 1004406, 1081668, 1171807, 1339208, 2008812, 2163336, 2343614, 3515421, 4017624, 4687228, 7030842, 9374456, 14061684, 28123368]

約数ペア:

[(1, 28123368), (2, 14061684), (3, 9374456), (4, 7030842), (6, 4687228), (7, 4017624), (8, 3515421), (12, 2343614), (13, 2163336), (14, 2008812), (21, 1339208), (24, 1171807), (26, 1081668), (28, 1004406), (39, 721112), (42, 669604), (52, 540834), (56, 502203), (78, 360556), (79, 355992), (84, 334802), (91, 309048), (104, 270417), (156, 180278), (158, 177996), (163, 172536), (168, 167401), (182, 154524), (237, 118664), (273, 103016), (312, 90139), (316, 88998), (326, 86268), (364, 77262), (474, 59332), (489, 57512), (546, 51508), (553, 50856), (632, 44499), (652, 43134), (728, 38631), (948, 29666), (978, 28756), (1027, 27384), (1092, 25754), (1106, 25428), (1141, 24648), (1304, 21567), (1659, 16952), (1896, 14833), (1956, 14378), (2054, 13692), (2119, 13272), (2184, 12877), (2212, 12714), (2282, 12324), (3081, 9128), (3318, 8476), (3423, 8216), (3912, 7189), (4108, 6846), (4238, 6636), (4424, 6357), (4564, 6162)]