81406930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23873}}^1$

素因数の和:23922

約数の個数: 32

約数和(自身を含む): 165017088

約数和(自身を除く): 83610158

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 23873, 47746, 119365, 238730, 262603, 525206, 740063, 1313015, 1480126, 2626030, 3700315, 7400630, 8140693, 16281386, 40703465, 81406930]

約数ペア:

[(1, 81406930), (2, 40703465), (5, 16281386), (10, 8140693), (11, 7400630), (22, 3700315), (31, 2626030), (55, 1480126), (62, 1313015), (110, 740063), (155, 525206), (310, 262603), (341, 238730), (682, 119365), (1705, 47746), (3410, 23873)]