821000708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1\times {\mathrm{613}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 1598856000

約数和(自身を除く): 777855292

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 499, 613, 671, 998, 1226, 1342, 1996, 2452, 2684, 5489, 6743, 10978, 13486, 21956, 26972, 30439, 37393, 60878, 74786, 121756, 149572, 305887, 334829, 411323, 611774, 669658, 822646, 1223548, 1339316, 1645292, 3364757, 6729514, 13459028, 18659107, 37318214, 74636428, 205250177, 410500354, 821000708]

約数ペア:

[(1, 821000708), (2, 410500354), (4, 205250177), (11, 74636428), (22, 37318214), (44, 18659107), (61, 13459028), (122, 6729514), (244, 3364757), (499, 1645292), (613, 1339316), (671, 1223548), (998, 822646), (1226, 669658), (1342, 611774), (1996, 411323), (2452, 334829), (2684, 305887), (5489, 149572), (6743, 121756), (10978, 74786), (13486, 60878), (21956, 37393), (26972, 30439)]