318868976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{642881}}^1$

素因数の和:642920

約数の個数: 20

約数和(自身を含む): 637738944

約数和(自身を除く): 318869968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 642881, 1285762, 2571524, 5143048, 10286096, 19929311, 39858622, 79717244, 159434488, 318868976]

約数ペア:

[(1, 318868976), (2, 159434488), (4, 79717244), (8, 39858622), (16, 19929311), (31, 10286096), (62, 5143048), (124, 2571524), (248, 1285762), (496, 642881)]