28234284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^2$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 74334960

約数和(自身を除く): 46100676

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 79, 87, 116, 156, 158, 174, 237, 316, 348, 377, 474, 754, 948, 1027, 1131, 1508, 2054, 2262, 2291, 3081, 4108, 4524, 4582, 6162, 6241, 6873, 9164, 12324, 12482, 13746, 18723, 24964, 27492, 29783, 37446, 59566, 74892, 81133, 89349, 119132, 162266, 178698, 180989, 243399, 324532, 357396, 361978, 486798, 542967, 723956, 973596, 1085934, 2171868, 2352857, 4705714, 7058571, 9411428, 14117142, 28234284]

約数ペア:

[(1, 28234284), (2, 14117142), (3, 9411428), (4, 7058571), (6, 4705714), (12, 2352857), (13, 2171868), (26, 1085934), (29, 973596), (39, 723956), (52, 542967), (58, 486798), (78, 361978), (79, 357396), (87, 324532), (116, 243399), (156, 180989), (158, 178698), (174, 162266), (237, 119132), (316, 89349), (348, 81133), (377, 74892), (474, 59566), (754, 37446), (948, 29783), (1027, 27492), (1131, 24964), (1508, 18723), (2054, 13746), (2262, 12482), (2291, 12324), (3081, 9164), (4108, 6873), (4524, 6241), (4582, 6162)]