220100155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{773}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 299593728

約数和(自身を除く): 79493573

約数列:

[1, 5, 11, 31, 55, 155, 167, 341, 773, 835, 1705, 1837, 3865, 5177, 8503, 9185, 23963, 25885, 42515, 56947, 119815, 129091, 263593, 284735, 645455, 1317965, 1420001, 4001821, 7100005, 20009105, 44020031, 220100155]

約数ペア:

[(1, 220100155), (5, 44020031), (11, 20009105), (31, 7100005), (55, 4001821), (155, 1420001), (167, 1317965), (341, 645455), (773, 284735), (835, 263593), (1705, 129091), (1837, 119815), (3865, 56947), (5177, 42515), (8503, 25885), (9185, 23963)]