72001885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 95178240

約数和(自身を除く): 23176355

約数列:

[1, 5, 17, 47, 67, 85, 235, 269, 335, 799, 1139, 1345, 3149, 3995, 4573, 5695, 12643, 15745, 18023, 22865, 53533, 63215, 90115, 214931, 267665, 306391, 847081, 1074655, 1531955, 4235405, 14400377, 72001885]

約数ペア:

[(1, 72001885), (5, 14400377), (17, 4235405), (47, 1531955), (67, 1074655), (85, 847081), (235, 306391), (269, 267665), (335, 214931), (799, 90115), (1139, 63215), (1345, 53533), (3149, 22865), (3995, 18023), (4573, 15745), (5695, 12643)]