15403988

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 28956060

約数和(自身を除く): 13552072

約数列:

[1, 2, 4, 29, 37, 58, 74, 97, 116, 148, 194, 388, 1073, 1369, 2146, 2738, 2813, 3589, 4292, 5476, 5626, 7178, 11252, 14356, 39701, 79402, 104081, 132793, 158804, 208162, 265586, 416324, 531172, 3850997, 7701994, 15403988]

約数ペア:

[(1, 15403988), (2, 7701994), (4, 3850997), (29, 531172), (37, 416324), (58, 265586), (74, 208162), (97, 158804), (116, 132793), (148, 104081), (194, 79402), (388, 39701), (1073, 14356), (1369, 11252), (2146, 7178), (2738, 5626), (2813, 5476), (3589, 4292)]