87741745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2441}}^1$

素因数の和:2545

約数の個数: 32

約数和(自身を含む): 131281920

約数和(自身を除く): 43540175

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 1027, 2441, 2765, 5135, 7189, 12205, 17087, 31733, 35945, 85435, 158665, 192839, 222131, 964195, 1110655, 1349873, 2506907, 6749365, 12534535, 17548349, 87741745]

約数ペア:

[(1, 87741745), (5, 17548349), (7, 12534535), (13, 6749365), (35, 2506907), (65, 1349873), (79, 1110655), (91, 964195), (395, 222131), (455, 192839), (553, 158665), (1027, 85435), (2441, 35945), (2765, 31733), (5135, 17087), (7189, 12205)]