90479728

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:545

約数の個数: 40

約数和(自身を含む): 178287200

約数和(自身を除く): 87807472

約数列:

[1, 2, 4, 8, 16, 157, 181, 199, 314, 362, 398, 628, 724, 796, 1256, 1448, 1592, 2512, 2896, 3184, 28417, 31243, 36019, 56834, 62486, 72038, 113668, 124972, 144076, 227336, 249944, 288152, 454672, 499888, 576304, 5654983, 11309966, 22619932, 45239864, 90479728]

約数ペア:

[(1, 90479728), (2, 45239864), (4, 22619932), (8, 11309966), (16, 5654983), (157, 576304), (181, 499888), (199, 454672), (314, 288152), (362, 249944), (398, 227336), (628, 144076), (724, 124972), (796, 113668), (1256, 72038), (1448, 62486), (1592, 56834), (2512, 36019), (2896, 31243), (3184, 28417)]