613495790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{6857}}^1$

素因数の和:7276

約数の個数: 32

約数和(自身を含む): 1155435840

約数和(自身を除く): 541940050

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 389, 778, 1945, 3890, 6857, 8947, 13714, 17894, 34285, 44735, 68570, 89470, 157711, 315422, 788555, 1577110, 2667373, 5334746, 13336865, 26673730, 61349579, 122699158, 306747895, 613495790]

約数ペア:

[(1, 613495790), (2, 306747895), (5, 122699158), (10, 61349579), (23, 26673730), (46, 13336865), (115, 5334746), (230, 2667373), (389, 1577110), (778, 788555), (1945, 315422), (3890, 157711), (6857, 89470), (8947, 68570), (13714, 44735), (17894, 34285)]