643375194688

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{787}}^1\times {\mathrm{672289}}^1$

素因数の和:673107

約数の個数: 56

約数和(自身を含む): 1345601880800

約数和(自身を除く): 702226686112

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 787, 1216, 1574, 3148, 6296, 12592, 14953, 25184, 29906, 50368, 59812, 119624, 239248, 478496, 672289, 956992, 1344578, 2689156, 5378312, 10756624, 12773491, 21513248, 25546982, 43026496, 51093964, 102187928, 204375856, 408751712, 529091443, 817503424, 1058182886, 2116365772, 4232731544, 8465463088, 10052737417, 16930926176, 20105474834, 33861852352, 40210949668, 80421899336, 160843798672, 321687597344, 643375194688]

約数ペア:

[(1, 643375194688), (2, 321687597344), (4, 160843798672), (8, 80421899336), (16, 40210949668), (19, 33861852352), (32, 20105474834), (38, 16930926176), (64, 10052737417), (76, 8465463088), (152, 4232731544), (304, 2116365772), (608, 1058182886), (787, 817503424), (1216, 529091443), (1574, 408751712), (3148, 204375856), (6296, 102187928), (12592, 51093964), (14953, 43026496), (25184, 25546982), (29906, 21513248), (50368, 12773491), (59812, 10756624), (119624, 5378312), (239248, 2689156), (478496, 1344578), (672289, 956992)]