391328036

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{18803}}^1$

素因数の和:18872

約数の個数: 36

約数和(自身を含む): 770287056

約数和(自身を除く): 378959020

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 946, 1892, 5203, 10406, 18803, 20812, 37606, 75212, 206833, 413666, 808529, 827332, 1617058, 2275163, 3234116, 4550326, 8893819, 9100652, 17787638, 35575276, 97832009, 195664018, 391328036]

約数ペア:

[(1, 391328036), (2, 195664018), (4, 97832009), (11, 35575276), (22, 17787638), (43, 9100652), (44, 8893819), (86, 4550326), (121, 3234116), (172, 2275163), (242, 1617058), (473, 827332), (484, 808529), (946, 413666), (1892, 206833), (5203, 75212), (10406, 37606), (18803, 20812)]