897495412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{997}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 1760472000

約数和(自身を除く): 862976588

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 499, 902, 997, 998, 1804, 1994, 1996, 3988, 5489, 10967, 10978, 20459, 21934, 21956, 40877, 40918, 43868, 81754, 81836, 163508, 225049, 449647, 450098, 497503, 899294, 900196, 995006, 1798588, 1990012, 5472533, 10945066, 20397623, 21890132, 40795246, 81590492, 224373853, 448747706, 897495412]

約数ペア:

[(1, 897495412), (2, 448747706), (4, 224373853), (11, 81590492), (22, 40795246), (41, 21890132), (44, 20397623), (82, 10945066), (164, 5472533), (451, 1990012), (499, 1798588), (902, 995006), (997, 900196), (998, 899294), (1804, 497503), (1994, 450098), (1996, 449647), (3988, 225049), (5489, 163508), (10967, 81836), (10978, 81754), (20459, 43868), (21934, 40918), (21956, 40877)]