90812408

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 175569120

約数和(自身を除く): 84756712

約数列:

[1, 2, 4, 8, 61, 71, 122, 142, 244, 284, 488, 568, 2621, 4331, 5242, 8662, 10484, 17324, 20968, 34648, 159881, 186091, 319762, 372182, 639524, 744364, 1279048, 1488728, 11351551, 22703102, 45406204, 90812408]

約数ペア:

[(1, 90812408), (2, 45406204), (4, 22703102), (8, 11351551), (61, 1488728), (71, 1279048), (122, 744364), (142, 639524), (244, 372182), (284, 319762), (488, 186091), (568, 159881), (2621, 34648), (4331, 20968), (5242, 17324), (8662, 10484)]