255649644

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 657296640

約数和(自身を除く): 401646996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 151, 262, 302, 359, 393, 453, 524, 604, 718, 786, 906, 1077, 1179, 1359, 1436, 1572, 1812, 2154, 2358, 2718, 3231, 4308, 4716, 5436, 6462, 12924, 19781, 39562, 47029, 54209, 59343, 79124, 94058, 108418, 118686, 141087, 162627, 178029, 188116, 216836, 237372, 282174, 325254, 356058, 423261, 487881, 564348, 650508, 712116, 846522, 975762, 1693044, 1951524, 7101379, 14202758, 21304137, 28405516, 42608274, 63912411, 85216548, 127824822, 255649644]

約数ペア:

[(1, 255649644), (2, 127824822), (3, 85216548), (4, 63912411), (6, 42608274), (9, 28405516), (12, 21304137), (18, 14202758), (36, 7101379), (131, 1951524), (151, 1693044), (262, 975762), (302, 846522), (359, 712116), (393, 650508), (453, 564348), (524, 487881), (604, 423261), (718, 356058), (786, 325254), (906, 282174), (1077, 237372), (1179, 216836), (1359, 188116), (1436, 178029), (1572, 162627), (1812, 141087), (2154, 118686), (2358, 108418), (2718, 94058), (3231, 79124), (4308, 59343), (4716, 54209), (5436, 47029), (6462, 39562), (12924, 19781)]