12978416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2049

約数の個数: 40

約数和(自身を含む): 28187184

約数和(自身を除く): 15208768

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 1993, 3256, 3986, 6512, 7972, 15944, 21923, 31888, 43846, 73741, 87692, 147482, 175384, 294964, 350768, 589928, 811151, 1179856, 1622302, 3244604, 6489208, 12978416]

約数ペア:

[(1, 12978416), (2, 6489208), (4, 3244604), (8, 1622302), (11, 1179856), (16, 811151), (22, 589928), (37, 350768), (44, 294964), (74, 175384), (88, 147482), (148, 87692), (176, 73741), (296, 43846), (407, 31888), (592, 21923), (814, 15944), (1628, 7972), (1993, 6512), (3256, 3986)]