12904990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 28938240

約数和(自身を除く): 16033250

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 313, 434, 589, 626, 665, 1085, 1178, 1330, 1565, 2170, 2191, 2945, 3130, 4123, 4382, 5890, 5947, 8246, 9703, 10955, 11894, 19406, 20615, 21910, 29735, 41230, 41629, 48515, 59470, 67921, 83258, 97030, 135842, 184357, 208145, 339605, 368714, 416290, 679210, 921785, 1290499, 1843570, 2580998, 6452495, 12904990]

約数ペア:

[(1, 12904990), (2, 6452495), (5, 2580998), (7, 1843570), (10, 1290499), (14, 921785), (19, 679210), (31, 416290), (35, 368714), (38, 339605), (62, 208145), (70, 184357), (95, 135842), (133, 97030), (155, 83258), (190, 67921), (217, 59470), (266, 48515), (310, 41629), (313, 41230), (434, 29735), (589, 21910), (626, 20615), (665, 19406), (1085, 11894), (1178, 10955), (1330, 9703), (1565, 8246), (2170, 5947), (2191, 5890), (2945, 4382), (3130, 4123)]