81987438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{1867}}^1$

素因数の和:2448

約数の個数: 32

約数和(自身を含む): 176996736

約数和(自身を除く): 95009298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 563, 1126, 1689, 1867, 3378, 3734, 5601, 7319, 11202, 14638, 21957, 24271, 43914, 48542, 72813, 145626, 1051121, 2102242, 3153363, 6306726, 13664573, 27329146, 40993719, 81987438]

約数ペア:

[(1, 81987438), (2, 40993719), (3, 27329146), (6, 13664573), (13, 6306726), (26, 3153363), (39, 2102242), (78, 1051121), (563, 145626), (1126, 72813), (1689, 48542), (1867, 43914), (3378, 24271), (3734, 21957), (5601, 14638), (7319, 11202)]