12988816

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{53}}^2$

素因数の和:148

約数の個数: 45

約数和(自身を含む): 27247171

約数和(自身を除く): 14258355

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 289, 424, 578, 848, 901, 1156, 1802, 2312, 2809, 3604, 4624, 5618, 7208, 11236, 14416, 15317, 22472, 30634, 44944, 47753, 61268, 95506, 122536, 191012, 245072, 382024, 764048, 811801, 1623602, 3247204, 6494408, 12988816]

約数ペア:

[(1, 12988816), (2, 6494408), (4, 3247204), (8, 1623602), (16, 811801), (17, 764048), (34, 382024), (53, 245072), (68, 191012), (106, 122536), (136, 95506), (212, 61268), (272, 47753), (289, 44944), (424, 30634), (578, 22472), (848, 15317), (901, 14416), (1156, 11236), (1802, 7208), (2312, 5618), (2809, 4624)]