31217988

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{509}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 77112000

約数和(自身を除く): 45894012

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 269, 509, 538, 807, 1018, 1076, 1527, 1614, 2036, 3054, 3228, 5111, 6108, 9671, 10222, 15333, 19342, 20444, 29013, 30666, 38684, 58026, 61332, 116052, 136921, 273842, 410763, 547684, 821526, 1643052, 2601499, 5202998, 7804497, 10405996, 15608994, 31217988]

約数ペア:

[(1, 31217988), (2, 15608994), (3, 10405996), (4, 7804497), (6, 5202998), (12, 2601499), (19, 1643052), (38, 821526), (57, 547684), (76, 410763), (114, 273842), (228, 136921), (269, 116052), (509, 61332), (538, 58026), (807, 38684), (1018, 30666), (1076, 29013), (1527, 20444), (1614, 19342), (2036, 15333), (3054, 10222), (3228, 9671), (5111, 6108)]