91889890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{15601}}^1$

素因数の和:15658

約数の個数: 32

約数和(自身を含む): 179735040

約数和(自身を除く): 87845150

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 15601, 31202, 78005, 156010, 296419, 483631, 592838, 967262, 1482095, 2418155, 2964190, 4836310, 9188989, 18377978, 45944945, 91889890]

約数ペア:

[(1, 91889890), (2, 45944945), (5, 18377978), (10, 9188989), (19, 4836310), (31, 2964190), (38, 2418155), (62, 1482095), (95, 967262), (155, 592838), (190, 483631), (310, 296419), (589, 156010), (1178, 78005), (2945, 31202), (5890, 15601)]