681330244

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{2707}}^1$

素因数の和:2908

約数の個数: 48

約数和(自身を含む): 1392128640

約数和(自身を除く): 710798396

約数列:

[1, 2, 4, 7, 14, 28, 89, 101, 178, 202, 356, 404, 623, 707, 1246, 1414, 2492, 2707, 2828, 5414, 8989, 10828, 17978, 18949, 35956, 37898, 62923, 75796, 125846, 240923, 251692, 273407, 481846, 546814, 963692, 1093628, 1686461, 1913849, 3372922, 3827698, 6745844, 7655396, 24333223, 48666446, 97332892, 170332561, 340665122, 681330244]

約数ペア:

[(1, 681330244), (2, 340665122), (4, 170332561), (7, 97332892), (14, 48666446), (28, 24333223), (89, 7655396), (101, 6745844), (178, 3827698), (202, 3372922), (356, 1913849), (404, 1686461), (623, 1093628), (707, 963692), (1246, 546814), (1414, 481846), (2492, 273407), (2707, 251692), (2828, 240923), (5414, 125846), (8989, 75796), (10828, 62923), (17978, 37898), (18949, 35956)]