131976052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 272479200

約数和(自身を除く): 140503148

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 139, 247, 278, 403, 494, 556, 589, 806, 961, 988, 1178, 1612, 1807, 1922, 2356, 2641, 3614, 3844, 4309, 5282, 7228, 7657, 8618, 10564, 12493, 15314, 17236, 18259, 24986, 30628, 34333, 36518, 49972, 56017, 68666, 73036, 81871, 112034, 133579, 137332, 163742, 224068, 237367, 267158, 327484, 474734, 534316, 949468, 1064323, 1736527, 2128646, 2538001, 3473054, 4257292, 5076002, 6946108, 10152004, 32994013, 65988026, 131976052]

約数ペア:

[(1, 131976052), (2, 65988026), (4, 32994013), (13, 10152004), (19, 6946108), (26, 5076002), (31, 4257292), (38, 3473054), (52, 2538001), (62, 2128646), (76, 1736527), (124, 1064323), (139, 949468), (247, 534316), (278, 474734), (403, 327484), (494, 267158), (556, 237367), (589, 224068), (806, 163742), (961, 137332), (988, 133579), (1178, 112034), (1612, 81871), (1807, 73036), (1922, 68666), (2356, 56017), (2641, 49972), (3614, 36518), (3844, 34333), (4309, 30628), (5282, 24986), (7228, 18259), (7657, 17236), (8618, 15314), (10564, 12493)]