31258386

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{1229}}^1$

素因数の和:1400

約数の個数: 40

約数和(自身を含む): 70545420

約数和(自身を除く): 39287034

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 942, 1229, 1413, 2458, 2826, 3687, 4239, 7374, 8478, 11061, 12717, 22122, 25434, 33183, 66366, 99549, 192953, 199098, 385906, 578859, 1157718, 1736577, 3473154, 5209731, 10419462, 15629193, 31258386]

約数ペア:

[(1, 31258386), (2, 15629193), (3, 10419462), (6, 5209731), (9, 3473154), (18, 1736577), (27, 1157718), (54, 578859), (81, 385906), (157, 199098), (162, 192953), (314, 99549), (471, 66366), (942, 33183), (1229, 25434), (1413, 22122), (2458, 12717), (2826, 11061), (3687, 8478), (4239, 7374)]