312878288

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{630803}}^1$

素因数の和:630842

約数の個数: 20

約数和(自身を含む): 625757568

約数和(自身を除く): 312879280

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 630803, 1261606, 2523212, 5046424, 10092848, 19554893, 39109786, 78219572, 156439144, 312878288]

約数ペア:

[(1, 312878288), (2, 156439144), (4, 78219572), (8, 39109786), (16, 19554893), (31, 10092848), (62, 5046424), (124, 2523212), (248, 1261606), (496, 630803)]