988016380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3800063}}^1$

素因数の和:3800085

約数の個数: 24

約数和(自身を含む): 2234437632

約数和(自身を除く): 1246421252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3800063, 7600126, 15200252, 19000315, 38000630, 49400819, 76001260, 98801638, 197603276, 247004095, 494008190, 988016380]

約数ペア:

[(1, 988016380), (2, 494008190), (4, 247004095), (5, 197603276), (10, 98801638), (13, 76001260), (20, 49400819), (26, 38000630), (52, 19000315), (65, 15200252), (130, 7600126), (260, 3800063)]