131557490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{5113}}^1$

素因数の和:5234

約数の個数: 32

約数和(自身を含む): 247435776

約数和(自身を除く): 115878286

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 2573, 5113, 5146, 10226, 12865, 25565, 25730, 51130, 158503, 317006, 424379, 792515, 848758, 1585030, 2121895, 4243790, 13155749, 26311498, 65778745, 131557490]

約数ペア:

[(1, 131557490), (2, 65778745), (5, 26311498), (10, 13155749), (31, 4243790), (62, 2121895), (83, 1585030), (155, 848758), (166, 792515), (310, 424379), (415, 317006), (830, 158503), (2573, 51130), (5113, 25730), (5146, 25565), (10226, 12865)]