289332065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{691}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 396997632

約数和(自身を除く): 107665567

約数列:

[1, 5, 11, 23, 55, 115, 253, 331, 691, 1265, 1655, 3455, 3641, 7601, 7613, 15893, 18205, 38005, 38065, 79465, 83743, 174823, 228721, 418715, 874115, 1143605, 2515931, 5260583, 12579655, 26302915, 57866413, 289332065]

約数ペア:

[(1, 289332065), (5, 57866413), (11, 26302915), (23, 12579655), (55, 5260583), (115, 2515931), (253, 1143605), (331, 874115), (691, 418715), (1265, 228721), (1655, 174823), (3455, 83743), (3641, 79465), (7601, 38065), (7613, 38005), (15893, 18205)]