389618408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 796824000

約数和(自身を除く): 407205592

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 101, 152, 164, 202, 328, 404, 619, 779, 808, 1238, 1558, 1919, 2476, 3116, 3838, 4141, 4952, 6232, 7676, 8282, 11761, 15352, 16564, 23522, 25379, 33128, 47044, 50758, 62519, 78679, 94088, 101516, 125038, 157358, 203032, 250076, 314716, 482201, 500152, 629432, 964402, 1187861, 1928804, 2375722, 2563279, 3857608, 4751444, 5126558, 9502888, 10253116, 20506232, 48702301, 97404602, 194809204, 389618408]

約数ペア:

[(1, 389618408), (2, 194809204), (4, 97404602), (8, 48702301), (19, 20506232), (38, 10253116), (41, 9502888), (76, 5126558), (82, 4751444), (101, 3857608), (152, 2563279), (164, 2375722), (202, 1928804), (328, 1187861), (404, 964402), (619, 629432), (779, 500152), (808, 482201), (1238, 314716), (1558, 250076), (1919, 203032), (2476, 157358), (3116, 125038), (3838, 101516), (4141, 94088), (4952, 78679), (6232, 62519), (7676, 50758), (8282, 47044), (11761, 33128), (15352, 25379), (16564, 23522)]