644145268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{1699}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 1271491200

約数和(自身を除く): 627345932

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 317, 598, 634, 1196, 1268, 1699, 3398, 4121, 6796, 7291, 8242, 14582, 16484, 22087, 29164, 39077, 44174, 78154, 88348, 94783, 156308, 189566, 379132, 508001, 538583, 1016002, 1077166, 2032004, 2154332, 7001579, 12387409, 14003158, 24774818, 28006316, 49549636, 161036317, 322072634, 644145268]

約数ペア:

[(1, 644145268), (2, 322072634), (4, 161036317), (13, 49549636), (23, 28006316), (26, 24774818), (46, 14003158), (52, 12387409), (92, 7001579), (299, 2154332), (317, 2032004), (598, 1077166), (634, 1016002), (1196, 538583), (1268, 508001), (1699, 379132), (3398, 189566), (4121, 156308), (6796, 94783), (7291, 88348), (8242, 78154), (14582, 44174), (16484, 39077), (22087, 29164)]