87997468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 173608960

約数和(自身を除く): 85611492

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 79, 124, 158, 316, 403, 691, 806, 1027, 1382, 1612, 2054, 2449, 2764, 4108, 4898, 8983, 9796, 17966, 21421, 31837, 35932, 42842, 54589, 63674, 85684, 109178, 127348, 218356, 278473, 556946, 709657, 1113892, 1419314, 1692259, 2838628, 3384518, 6769036, 21999367, 43998734, 87997468]

約数ペア:

[(1, 87997468), (2, 43998734), (4, 21999367), (13, 6769036), (26, 3384518), (31, 2838628), (52, 1692259), (62, 1419314), (79, 1113892), (124, 709657), (158, 556946), (316, 278473), (403, 218356), (691, 127348), (806, 109178), (1027, 85684), (1382, 63674), (1612, 54589), (2054, 42842), (2449, 35932), (2764, 31837), (4108, 21421), (4898, 17966), (8983, 9796)]