28709304

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 84672000

約数和(自身を除く): 55962696

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 29, 38, 39, 52, 57, 58, 76, 78, 87, 104, 114, 116, 152, 156, 167, 174, 228, 232, 247, 312, 334, 348, 377, 456, 494, 501, 551, 668, 696, 741, 754, 988, 1002, 1102, 1131, 1336, 1482, 1508, 1653, 1976, 2004, 2171, 2204, 2262, 2964, 3016, 3173, 3306, 4008, 4342, 4408, 4524, 4843, 5928, 6346, 6513, 6612, 7163, 8684, 9048, 9519, 9686, 12692, 13026, 13224, 14326, 14529, 17368, 19038, 19372, 21489, 25384, 26052, 28652, 29058, 38076, 38744, 41249, 42978, 52104, 57304, 58116, 62959, 76152, 82498, 85956, 92017, 116232, 123747, 125918, 164996, 171912, 184034, 188877, 247494, 251836, 276051, 329992, 368068, 377754, 494988, 503672, 552102, 736136, 755508, 989976, 1104204, 1196221, 1511016, 2208408, 2392442, 3588663, 4784884, 7177326, 9569768, 14354652, 28709304]

約数ペア:

[(1, 28709304), (2, 14354652), (3, 9569768), (4, 7177326), (6, 4784884), (8, 3588663), (12, 2392442), (13, 2208408), (19, 1511016), (24, 1196221), (26, 1104204), (29, 989976), (38, 755508), (39, 736136), (52, 552102), (57, 503672), (58, 494988), (76, 377754), (78, 368068), (87, 329992), (104, 276051), (114, 251836), (116, 247494), (152, 188877), (156, 184034), (167, 171912), (174, 164996), (228, 125918), (232, 123747), (247, 116232), (312, 92017), (334, 85956), (348, 82498), (377, 76152), (456, 62959), (494, 58116), (501, 57304), (551, 52104), (668, 42978), (696, 41249), (741, 38744), (754, 38076), (988, 29058), (1002, 28652), (1102, 26052), (1131, 25384), (1336, 21489), (1482, 19372), (1508, 19038), (1653, 17368), (1976, 14529), (2004, 14326), (2171, 13224), (2204, 13026), (2262, 12692), (2964, 9686), (3016, 9519), (3173, 9048), (3306, 8684), (4008, 7163), (4342, 6612), (4408, 6513), (4524, 6346), (4843, 5928)]