42128488

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 80640000

約数和(自身を除く): 38511512

約数列:

[1, 2, 4, 8, 79, 158, 191, 316, 349, 382, 632, 698, 764, 1396, 1528, 2792, 15089, 27571, 30178, 55142, 60356, 66659, 110284, 120712, 133318, 220568, 266636, 533272, 5266061, 10532122, 21064244, 42128488]

約数ペア:

[(1, 42128488), (2, 21064244), (4, 10532122), (8, 5266061), (79, 533272), (158, 266636), (191, 220568), (316, 133318), (349, 120712), (382, 110284), (632, 66659), (698, 60356), (764, 55142), (1396, 30178), (1528, 27571), (2792, 15089)]