161947472

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4133}}^1$

素因数の和:4251

約数の個数: 40

約数和(自身を含む): 328074240

約数和(自身を除く): 166126768

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 496, 632, 1264, 2449, 4133, 4898, 8266, 9796, 16532, 19592, 33064, 39184, 66128, 128123, 256246, 326507, 512492, 653014, 1024984, 1306028, 2049968, 2612056, 5224112, 10121717, 20243434, 40486868, 80973736, 161947472]

約数ペア:

[(1, 161947472), (2, 80973736), (4, 40486868), (8, 20243434), (16, 10121717), (31, 5224112), (62, 2612056), (79, 2049968), (124, 1306028), (158, 1024984), (248, 653014), (316, 512492), (496, 326507), (632, 256246), (1264, 128123), (2449, 66128), (4133, 39184), (4898, 33064), (8266, 19592), (9796, 16532)]