1813309927325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1\times {\mathrm{41023}}^1$

素因数の和:41814

約数の個数: 48

約数和(自身を含む): 2435216802816

約数和(自身を除く): 621906875491

約数列:

[1, 5, 13, 25, 65, 277, 325, 491, 1385, 2455, 3601, 6383, 6925, 12275, 18005, 31915, 41023, 90025, 136007, 159575, 205115, 533299, 680035, 1025575, 1768091, 2666495, 3400175, 8840455, 11363371, 13332475, 20142293, 44202275, 56816855, 100711465, 147723823, 261849809, 284084275, 503557325, 738619115, 1309249045, 3693095575, 5579415161, 6546245225, 27897075805, 72532397093, 139485379025, 362661985465, 1813309927325]

約数ペア:

[(1, 1813309927325), (5, 362661985465), (13, 139485379025), (25, 72532397093), (65, 27897075805), (277, 6546245225), (325, 5579415161), (491, 3693095575), (1385, 1309249045), (2455, 738619115), (3601, 503557325), (6383, 284084275), (6925, 261849809), (12275, 147723823), (18005, 100711465), (31915, 56816855), (41023, 44202275), (90025, 20142293), (136007, 13332475), (159575, 11363371), (205115, 8840455), (533299, 3400175), (680035, 2666495), (1025575, 1768091)]