28896504

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 90478080

約数和(自身を除く): 61581576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 101, 104, 131, 156, 168, 182, 202, 262, 273, 303, 312, 364, 393, 404, 524, 546, 606, 707, 728, 786, 808, 917, 1048, 1092, 1212, 1313, 1414, 1572, 1703, 1834, 2121, 2184, 2424, 2626, 2751, 2828, 3144, 3406, 3668, 3939, 4242, 5109, 5252, 5502, 5656, 6812, 7336, 7878, 8484, 9191, 10218, 10504, 11004, 11921, 13231, 13624, 15756, 16968, 18382, 20436, 22008, 23842, 26462, 27573, 31512, 35763, 36764, 39693, 40872, 47684, 52924, 55146, 71526, 73528, 79386, 92617, 95368, 105848, 110292, 143052, 158772, 172003, 185234, 220584, 277851, 286104, 317544, 344006, 370468, 516009, 555702, 688012, 740936, 1032018, 1111404, 1204021, 1376024, 2064036, 2222808, 2408042, 3612063, 4128072, 4816084, 7224126, 9632168, 14448252, 28896504]

約数ペア:

[(1, 28896504), (2, 14448252), (3, 9632168), (4, 7224126), (6, 4816084), (7, 4128072), (8, 3612063), (12, 2408042), (13, 2222808), (14, 2064036), (21, 1376024), (24, 1204021), (26, 1111404), (28, 1032018), (39, 740936), (42, 688012), (52, 555702), (56, 516009), (78, 370468), (84, 344006), (91, 317544), (101, 286104), (104, 277851), (131, 220584), (156, 185234), (168, 172003), (182, 158772), (202, 143052), (262, 110292), (273, 105848), (303, 95368), (312, 92617), (364, 79386), (393, 73528), (404, 71526), (524, 55146), (546, 52924), (606, 47684), (707, 40872), (728, 39693), (786, 36764), (808, 35763), (917, 31512), (1048, 27573), (1092, 26462), (1212, 23842), (1313, 22008), (1414, 20436), (1572, 18382), (1703, 16968), (1834, 15756), (2121, 13624), (2184, 13231), (2424, 11921), (2626, 11004), (2751, 10504), (2828, 10218), (3144, 9191), (3406, 8484), (3668, 7878), (3939, 7336), (4242, 6812), (5109, 5656), (5252, 5502)]