398913788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{1663}}^1$

素因数の和:2346

約数の個数: 48

約数和(自身を含む): 861020160

約数和(自身を除く): 462106372

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 659, 1318, 1663, 2636, 3326, 4613, 6652, 8567, 9226, 11641, 17134, 18452, 21619, 23282, 34268, 43238, 46564, 59969, 86476, 119938, 151333, 239876, 302666, 605332, 1095917, 2191834, 4383668, 7671419, 14246921, 15342838, 28493842, 30685676, 56987684, 99728447, 199456894, 398913788]

約数ペア:

[(1, 398913788), (2, 199456894), (4, 99728447), (7, 56987684), (13, 30685676), (14, 28493842), (26, 15342838), (28, 14246921), (52, 7671419), (91, 4383668), (182, 2191834), (364, 1095917), (659, 605332), (1318, 302666), (1663, 239876), (2636, 151333), (3326, 119938), (4613, 86476), (6652, 59969), (8567, 46564), (9226, 43238), (11641, 34268), (17134, 23282), (18452, 21619)]