256567108

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{1151}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 541900800

約数和(自身を除く): 285333692

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 419, 532, 838, 1151, 1676, 2302, 2933, 4604, 5866, 7961, 8057, 11732, 15922, 16114, 21869, 31844, 32228, 43738, 55727, 87476, 111454, 153083, 222908, 306166, 482269, 612332, 964538, 1929076, 3375883, 6751766, 9163111, 13503532, 18326222, 36652444, 64141777, 128283554, 256567108]

約数ペア:

[(1, 256567108), (2, 128283554), (4, 64141777), (7, 36652444), (14, 18326222), (19, 13503532), (28, 9163111), (38, 6751766), (76, 3375883), (133, 1929076), (266, 964538), (419, 612332), (532, 482269), (838, 306166), (1151, 222908), (1676, 153083), (2302, 111454), (2933, 87476), (4604, 55727), (5866, 43738), (7961, 32228), (8057, 31844), (11732, 21869), (15922, 16114)]