13908620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 32126976

約数和(自身を除く): 18218356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 331, 382, 662, 764, 955, 1324, 1655, 1910, 2101, 3310, 3641, 3820, 4202, 6620, 7282, 8404, 10505, 14564, 18205, 21010, 36410, 42020, 63221, 72820, 126442, 252884, 316105, 632210, 695431, 1264420, 1390862, 2781724, 3477155, 6954310, 13908620]

約数ペア:

[(1, 13908620), (2, 6954310), (4, 3477155), (5, 2781724), (10, 1390862), (11, 1264420), (20, 695431), (22, 632210), (44, 316105), (55, 252884), (110, 126442), (191, 72820), (220, 63221), (331, 42020), (382, 36410), (662, 21010), (764, 18205), (955, 14564), (1324, 10505), (1655, 8404), (1910, 7282), (2101, 6620), (3310, 4202), (3641, 3820)]