72657065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1399}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 101606400

約数和(自身を除く): 28949335

約数列:

[1, 5, 13, 17, 47, 65, 85, 221, 235, 611, 799, 1105, 1399, 3055, 3995, 6995, 10387, 18187, 23783, 51935, 65753, 90935, 118915, 309179, 328765, 854789, 1117801, 1545895, 4273945, 5589005, 14531413, 72657065]

約数ペア:

[(1, 72657065), (5, 14531413), (13, 5589005), (17, 4273945), (47, 1545895), (65, 1117801), (85, 854789), (221, 328765), (235, 309179), (611, 118915), (799, 90935), (1105, 65753), (1399, 51935), (3055, 23783), (3995, 18187), (6995, 10387)]