1640987684

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{741857}}^1$

素因数の和:741947

約数の個数: 24

約数和(自身を含む): 3323523840

約数和(自身を除く): 1682536156

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 741857, 1483714, 2967428, 5192999, 10385998, 20771996, 58606703, 117213406, 234426812, 410246921, 820493842, 1640987684]

約数ペア:

[(1, 1640987684), (2, 820493842), (4, 410246921), (7, 234426812), (14, 117213406), (28, 58606703), (79, 20771996), (158, 10385998), (316, 5192999), (553, 2967428), (1106, 1483714), (2212, 741857)]