26990288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 60

約数和(自身を含む): 59957100

約数和(自身を除く): 32966812

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 289, 442, 449, 578, 884, 898, 1156, 1768, 1796, 2312, 3536, 3592, 3757, 4624, 5837, 7184, 7514, 7633, 11674, 15028, 15266, 23348, 30056, 30532, 46696, 60112, 61064, 93392, 99229, 122128, 129761, 198458, 259522, 396916, 519044, 793832, 1038088, 1587664, 1686893, 2076176, 3373786, 6747572, 13495144, 26990288]

約数ペア:

[(1, 26990288), (2, 13495144), (4, 6747572), (8, 3373786), (13, 2076176), (16, 1686893), (17, 1587664), (26, 1038088), (34, 793832), (52, 519044), (68, 396916), (104, 259522), (136, 198458), (208, 129761), (221, 122128), (272, 99229), (289, 93392), (442, 61064), (449, 60112), (578, 46696), (884, 30532), (898, 30056), (1156, 23348), (1768, 15266), (1796, 15028), (2312, 11674), (3536, 7633), (3592, 7514), (3757, 7184), (4624, 5837)]