206517025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 306105408

約数和(自身を除く): 99588383

約数列:

[1, 5, 11, 13, 25, 55, 61, 65, 143, 275, 305, 325, 671, 715, 793, 947, 1525, 3355, 3575, 3965, 4735, 8723, 10417, 12311, 16775, 19825, 23675, 43615, 52085, 57767, 61555, 135421, 218075, 260425, 288835, 307775, 635437, 677105, 750971, 1444175, 3177185, 3385525, 3754855, 8260681, 15885925, 18774275, 41303405, 206517025]

約数ペア:

[(1, 206517025), (5, 41303405), (11, 18774275), (13, 15885925), (25, 8260681), (55, 3754855), (61, 3385525), (65, 3177185), (143, 1444175), (275, 750971), (305, 677105), (325, 635437), (671, 307775), (715, 288835), (793, 260425), (947, 218075), (1525, 135421), (3355, 61555), (3575, 57767), (3965, 52085), (4735, 43615), (8723, 23675), (10417, 19825), (12311, 16775)]