168403768

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{431}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 364052880

約数和(自身を除く): 195649112

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 289, 338, 431, 442, 578, 676, 862, 884, 1156, 1352, 1724, 1768, 2312, 2873, 3448, 3757, 5603, 5746, 7327, 7514, 11206, 11492, 14654, 15028, 22412, 22984, 29308, 30056, 44824, 48841, 58616, 72839, 95251, 97682, 124559, 145678, 190502, 195364, 249118, 291356, 381004, 390728, 498236, 582712, 762008, 996472, 1238263, 1619267, 2476526, 3238534, 4953052, 6477068, 9906104, 12954136, 21050471, 42100942, 84201884, 168403768]

約数ペア:

[(1, 168403768), (2, 84201884), (4, 42100942), (8, 21050471), (13, 12954136), (17, 9906104), (26, 6477068), (34, 4953052), (52, 3238534), (68, 2476526), (104, 1619267), (136, 1238263), (169, 996472), (221, 762008), (289, 582712), (338, 498236), (431, 390728), (442, 381004), (578, 291356), (676, 249118), (862, 195364), (884, 190502), (1156, 145678), (1352, 124559), (1724, 97682), (1768, 95251), (2312, 72839), (2873, 58616), (3448, 48841), (3757, 44824), (5603, 30056), (5746, 29308), (7327, 22984), (7514, 22412), (11206, 15028), (11492, 14654)]