1278694716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199921}}^1$

素因数の和:199982

約数の個数: 48

約数和(自身を含む): 3291515808

約数和(自身を除く): 2012821092

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 492, 533, 1066, 1599, 2132, 3198, 6396, 199921, 399842, 599763, 799684, 1199526, 2399052, 2598973, 5197946, 7796919, 8196761, 10395892, 15593838, 16393522, 24590283, 31187676, 32787044, 49180566, 98361132, 106557893, 213115786, 319673679, 426231572, 639347358, 1278694716]

約数ペア:

[(1, 1278694716), (2, 639347358), (3, 426231572), (4, 319673679), (6, 213115786), (12, 106557893), (13, 98361132), (26, 49180566), (39, 32787044), (41, 31187676), (52, 24590283), (78, 16393522), (82, 15593838), (123, 10395892), (156, 8196761), (164, 7796919), (246, 5197946), (492, 2598973), (533, 2399052), (1066, 1199526), (1599, 799684), (2132, 599763), (3198, 399842), (6396, 199921)]