631480213

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{421}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 796303872

約数和(自身を除く): 164823659

約数列:

[1, 7, 13, 53, 91, 311, 371, 421, 689, 2177, 2947, 4043, 4823, 5473, 16483, 22313, 28301, 38311, 115381, 130931, 156191, 214279, 290069, 916517, 1499953, 1702103, 2030483, 6939343, 11914721, 48575401, 90211459, 631480213]

約数ペア:

[(1, 631480213), (7, 90211459), (13, 48575401), (53, 11914721), (91, 6939343), (311, 2030483), (371, 1702103), (421, 1499953), (689, 916517), (2177, 290069), (2947, 214279), (4043, 156191), (4823, 130931), (5473, 115381), (16483, 38311), (22313, 28301)]