81272086

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 147374640

約数和(自身を除く): 66102554

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 113, 179, 226, 287, 358, 574, 791, 1253, 1582, 2009, 2506, 4018, 4633, 5537, 7339, 8771, 9266, 11074, 14678, 17542, 20227, 32431, 40454, 51373, 64862, 102746, 141589, 227017, 283178, 359611, 454034, 719222, 829307, 991123, 1658614, 1982246, 5805149, 11610298, 40636043, 81272086]

約数ペア:

[(1, 81272086), (2, 40636043), (7, 11610298), (14, 5805149), (41, 1982246), (49, 1658614), (82, 991123), (98, 829307), (113, 719222), (179, 454034), (226, 359611), (287, 283178), (358, 227017), (574, 141589), (791, 102746), (1253, 64862), (1582, 51373), (2009, 40454), (2506, 32431), (4018, 20227), (4633, 17542), (5537, 14678), (7339, 11074), (8771, 9266)]