38978618

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 71101800

約数和(自身を除く): 32123182

約数列:

[1, 2, 7, 14, 41, 49, 82, 89, 98, 109, 178, 218, 287, 574, 623, 763, 1246, 1526, 2009, 3649, 4018, 4361, 4469, 5341, 7298, 8722, 8938, 9701, 10682, 19402, 25543, 31283, 51086, 62566, 67907, 135814, 178801, 218981, 357602, 397741, 437962, 475349, 795482, 950698, 2784187, 5568374, 19489309, 38978618]

約数ペア:

[(1, 38978618), (2, 19489309), (7, 5568374), (14, 2784187), (41, 950698), (49, 795482), (82, 475349), (89, 437962), (98, 397741), (109, 357602), (178, 218981), (218, 178801), (287, 135814), (574, 67907), (623, 62566), (763, 51086), (1246, 31283), (1526, 25543), (2009, 19402), (3649, 10682), (4018, 9701), (4361, 8938), (4469, 8722), (5341, 7298)]