78168428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 152028576

約数和(自身を除く): 73860148

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 113, 212, 226, 251, 452, 502, 689, 1004, 1378, 1469, 2756, 2938, 3263, 5876, 5989, 6526, 11978, 13052, 13303, 23956, 26606, 28363, 53212, 56726, 77857, 113452, 155714, 172939, 311428, 345878, 368719, 691756, 737438, 1474876, 1503239, 3006478, 6012956, 19542107, 39084214, 78168428]

約数ペア:

[(1, 78168428), (2, 39084214), (4, 19542107), (13, 6012956), (26, 3006478), (52, 1503239), (53, 1474876), (106, 737438), (113, 691756), (212, 368719), (226, 345878), (251, 311428), (452, 172939), (502, 155714), (689, 113452), (1004, 77857), (1378, 56726), (1469, 53212), (2756, 28363), (2938, 26606), (3263, 23956), (5876, 13303), (5989, 13052), (6526, 11978)]