681664451905

素因数分解:

$5^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1\times {\mathrm{1118941}}^1$

素因数の和:1119109

約数の個数: 24

約数和(自身を含む): 850149752760

約数和(自身を除く): 168485300855

約数列:

[1, 5, 37, 89, 185, 445, 1369, 3293, 6845, 16465, 121841, 609205, 1118941, 5594705, 41400817, 99585749, 207004085, 497928745, 1531830229, 3684672713, 7659151145, 18423363565, 136332890381, 681664451905]

約数ペア:

[(1, 681664451905), (5, 136332890381), (37, 18423363565), (89, 7659151145), (185, 3684672713), (445, 1531830229), (1369, 497928745), (3293, 207004085), (6845, 99585749), (16465, 41400817), (121841, 5594705), (609205, 1118941)]