12819856

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3947}}^1$

素因数の和:3991

約数の個数: 40

約数和(自身を含む): 29373120

約数和(自身を除く): 16553264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 3947, 7894, 15788, 27629, 31576, 55258, 63152, 110516, 114463, 221032, 228926, 442064, 457852, 801241, 915704, 1602482, 1831408, 3204964, 6409928, 12819856]

約数ペア:

[(1, 12819856), (2, 6409928), (4, 3204964), (7, 1831408), (8, 1602482), (14, 915704), (16, 801241), (28, 457852), (29, 442064), (56, 228926), (58, 221032), (112, 114463), (116, 110516), (203, 63152), (232, 55258), (406, 31576), (464, 27629), (812, 15788), (1624, 7894), (3248, 3947)]