31178718

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 69503616

約数和(自身を除く): 38324898

約数列:

[1, 2, 3, 6, 9, 18, 67, 103, 134, 201, 206, 251, 309, 402, 502, 603, 618, 753, 927, 1206, 1506, 1854, 2259, 4518, 6901, 13802, 16817, 20703, 25853, 33634, 41406, 50451, 51706, 62109, 77559, 100902, 124218, 151353, 155118, 232677, 302706, 465354, 1732151, 3464302, 5196453, 10392906, 15589359, 31178718]

約数ペア:

[(1, 31178718), (2, 15589359), (3, 10392906), (6, 5196453), (9, 3464302), (18, 1732151), (67, 465354), (103, 302706), (134, 232677), (201, 155118), (206, 151353), (251, 124218), (309, 100902), (402, 77559), (502, 62109), (603, 51706), (618, 50451), (753, 41406), (927, 33634), (1206, 25853), (1506, 20703), (1854, 16817), (2259, 13802), (4518, 6901)]