1338988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 2963520

約数和(自身を除く): 1624532

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 68, 97, 116, 119, 194, 203, 238, 388, 406, 476, 493, 679, 812, 986, 1358, 1649, 1972, 2716, 2813, 3298, 3451, 5626, 6596, 6902, 11252, 11543, 13804, 19691, 23086, 39382, 46172, 47821, 78764, 95642, 191284, 334747, 669494, 1338988]

約数ペア:

[(1, 1338988), (2, 669494), (4, 334747), (7, 191284), (14, 95642), (17, 78764), (28, 47821), (29, 46172), (34, 39382), (58, 23086), (68, 19691), (97, 13804), (116, 11543), (119, 11252), (194, 6902), (203, 6596), (238, 5626), (388, 3451), (406, 3298), (476, 2813), (493, 2716), (679, 1972), (812, 1649), (986, 1358)]