71784115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 99066240

約数和(自身を除く): 27282125

約数列:

[1, 5, 13, 17, 65, 85, 167, 221, 389, 835, 1105, 1945, 2171, 2839, 5057, 6613, 10855, 14195, 25285, 33065, 36907, 64963, 85969, 184535, 324815, 429845, 844519, 1104371, 4222595, 5521855, 14356823, 71784115]

約数ペア:

[(1, 71784115), (5, 14356823), (13, 5521855), (17, 4222595), (65, 1104371), (85, 844519), (167, 429845), (221, 324815), (389, 184535), (835, 85969), (1105, 64963), (1945, 36907), (2171, 33065), (2839, 25285), (5057, 14195), (6613, 10855)]