71309915

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 91601280

約数和(自身を除く): 20291365

約数列:

[1, 5, 37, 61, 71, 89, 185, 305, 355, 445, 2257, 2627, 3293, 4331, 5429, 6319, 11285, 13135, 16465, 21655, 27145, 31595, 160247, 200873, 233803, 385459, 801235, 1004365, 1169015, 1927295, 14261983, 71309915]

約数ペア:

[(1, 71309915), (5, 14261983), (37, 1927295), (61, 1169015), (71, 1004365), (89, 801235), (185, 385459), (305, 233803), (355, 200873), (445, 160247), (2257, 31595), (2627, 27145), (3293, 21655), (4331, 16465), (5429, 13135), (6319, 11285)]