1215661972

素因数分解:

$2^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{21611}}^1$

素因数の和:21677

約数の個数: 48

約数和(自身を含む): 2541571200

約数和(自身を除く): 1325909228

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 343, 574, 686, 1148, 1372, 2009, 4018, 8036, 14063, 21611, 28126, 43222, 56252, 86444, 151277, 302554, 605108, 886051, 1058939, 1772102, 2117878, 3544204, 4235756, 6202357, 7412573, 12404714, 14825146, 24809428, 29650292, 43416499, 86832998, 173665996, 303915493, 607830986, 1215661972]

約数ペア:

[(1, 1215661972), (2, 607830986), (4, 303915493), (7, 173665996), (14, 86832998), (28, 43416499), (41, 29650292), (49, 24809428), (82, 14825146), (98, 12404714), (164, 7412573), (196, 6202357), (287, 4235756), (343, 3544204), (574, 2117878), (686, 1772102), (1148, 1058939), (1372, 886051), (2009, 605108), (4018, 302554), (8036, 151277), (14063, 86444), (21611, 56252), (28126, 43222)]