31819450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{48953}}^1$

素因数の和:48978

約数の個数: 24

約数和(自身を含む): 63738108

約数和(自身を除く): 31918658

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 48953, 97906, 244765, 489530, 636389, 1223825, 1272778, 2447650, 3181945, 6363890, 15909725, 31819450]

約数ペア:

[(1, 31819450), (2, 15909725), (5, 6363890), (10, 3181945), (13, 2447650), (25, 1272778), (26, 1223825), (50, 636389), (65, 489530), (130, 244765), (325, 97906), (650, 48953)]