28743736

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 66052800

約数和(自身を除く): 37309064

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 109, 119, 136, 218, 238, 277, 436, 476, 554, 763, 872, 952, 1108, 1526, 1853, 1939, 2216, 3052, 3706, 3878, 4709, 6104, 7412, 7756, 9418, 12971, 14824, 15512, 18836, 25942, 30193, 32963, 37672, 51884, 60386, 65926, 103768, 120772, 131852, 211351, 241544, 263704, 422702, 513281, 845404, 1026562, 1690808, 2053124, 3592967, 4106248, 7185934, 14371868, 28743736]

約数ペア:

[(1, 28743736), (2, 14371868), (4, 7185934), (7, 4106248), (8, 3592967), (14, 2053124), (17, 1690808), (28, 1026562), (34, 845404), (56, 513281), (68, 422702), (109, 263704), (119, 241544), (136, 211351), (218, 131852), (238, 120772), (277, 103768), (436, 65926), (476, 60386), (554, 51884), (763, 37672), (872, 32963), (952, 30193), (1108, 25942), (1526, 18836), (1853, 15512), (1939, 14824), (2216, 12971), (3052, 9418), (3706, 7756), (3878, 7412), (4709, 6104)]