28019404

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 58060800

約数和(自身を除く): 30041396

約数列:

[1, 2, 4, 7, 14, 28, 53, 79, 106, 158, 212, 239, 316, 371, 478, 553, 742, 956, 1106, 1484, 1673, 2212, 3346, 4187, 6692, 8374, 12667, 16748, 18881, 25334, 29309, 37762, 50668, 58618, 75524, 88669, 117236, 132167, 177338, 264334, 354676, 528668, 1000693, 2001386, 4002772, 7004851, 14009702, 28019404]

約数ペア:

[(1, 28019404), (2, 14009702), (4, 7004851), (7, 4002772), (14, 2001386), (28, 1000693), (53, 528668), (79, 354676), (106, 264334), (158, 177338), (212, 132167), (239, 117236), (316, 88669), (371, 75524), (478, 58618), (553, 50668), (742, 37762), (956, 29309), (1106, 25334), (1484, 18881), (1673, 16748), (2212, 12667), (3346, 8374), (4187, 6692)]