78657628

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 164041920

約数和(自身を除く): 85384292

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 157, 203, 314, 406, 617, 628, 812, 1099, 1234, 2198, 2468, 4319, 4396, 4553, 8638, 9106, 17276, 17893, 18212, 31871, 35786, 63742, 71572, 96869, 125251, 127484, 193738, 250502, 387476, 501004, 678083, 1356166, 2712332, 2809201, 5618402, 11236804, 19664407, 39328814, 78657628]

約数ペア:

[(1, 78657628), (2, 39328814), (4, 19664407), (7, 11236804), (14, 5618402), (28, 2809201), (29, 2712332), (58, 1356166), (116, 678083), (157, 501004), (203, 387476), (314, 250502), (406, 193738), (617, 127484), (628, 125251), (812, 96869), (1099, 71572), (1234, 63742), (2198, 35786), (2468, 31871), (4319, 18212), (4396, 17893), (4553, 17276), (8638, 9106)]