81349890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87473}}^1$

素因数の和:87514

約数の個数: 32

約数和(自身を含む): 201540096

約数和(自身を除く): 120190206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 87473, 174946, 262419, 437365, 524838, 874730, 1312095, 2624190, 2711663, 5423326, 8134989, 13558315, 16269978, 27116630, 40674945, 81349890]

約数ペア:

[(1, 81349890), (2, 40674945), (3, 27116630), (5, 16269978), (6, 13558315), (10, 8134989), (15, 5423326), (30, 2711663), (31, 2624190), (62, 1312095), (93, 874730), (155, 524838), (186, 437365), (310, 262419), (465, 174946), (930, 87473)]