213773768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 453304320

約数和(自身を除く): 239530552

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 61, 62, 104, 122, 124, 244, 248, 403, 488, 793, 806, 1087, 1586, 1612, 1891, 2174, 3172, 3224, 3782, 4348, 6344, 7564, 8696, 14131, 15128, 24583, 28262, 33697, 49166, 56524, 66307, 67394, 98332, 113048, 132614, 134788, 196664, 265228, 269576, 438061, 530456, 861991, 876122, 1723982, 1752244, 2055517, 3447964, 3504488, 4111034, 6895928, 8222068, 16444136, 26721721, 53443442, 106886884, 213773768]

約数ペア:

[(1, 213773768), (2, 106886884), (4, 53443442), (8, 26721721), (13, 16444136), (26, 8222068), (31, 6895928), (52, 4111034), (61, 3504488), (62, 3447964), (104, 2055517), (122, 1752244), (124, 1723982), (244, 876122), (248, 861991), (403, 530456), (488, 438061), (793, 269576), (806, 265228), (1087, 196664), (1586, 134788), (1612, 132614), (1891, 113048), (2174, 98332), (3172, 67394), (3224, 66307), (3782, 56524), (4348, 49166), (6344, 33697), (7564, 28262), (8696, 24583), (14131, 15128)]