15641864

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 36009600

約数和(自身を除く): 20367736

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 76, 122, 133, 152, 241, 244, 266, 427, 482, 488, 532, 854, 964, 1064, 1159, 1687, 1708, 1928, 2318, 3374, 3416, 4579, 4636, 6748, 8113, 9158, 9272, 13496, 14701, 16226, 18316, 29402, 32053, 32452, 36632, 58804, 64106, 64904, 102907, 117608, 128212, 205814, 256424, 279319, 411628, 558638, 823256, 1117276, 1955233, 2234552, 3910466, 7820932, 15641864]

約数ペア:

[(1, 15641864), (2, 7820932), (4, 3910466), (7, 2234552), (8, 1955233), (14, 1117276), (19, 823256), (28, 558638), (38, 411628), (56, 279319), (61, 256424), (76, 205814), (122, 128212), (133, 117608), (152, 102907), (241, 64904), (244, 64106), (266, 58804), (427, 36632), (482, 32452), (488, 32053), (532, 29402), (854, 18316), (964, 16226), (1064, 14701), (1159, 13496), (1687, 9272), (1708, 9158), (1928, 8113), (2318, 6748), (3374, 4636), (3416, 4579)]