991888008

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{58789}}^1$

素因数の和:58854

約数の個数: 64

約数和(自身を含む): 2680824000

約数和(自身を除く): 1688935992

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 444, 456, 703, 888, 1406, 2109, 2812, 4218, 5624, 8436, 16872, 58789, 117578, 176367, 235156, 352734, 470312, 705468, 1116991, 1410936, 2175193, 2233982, 3350973, 4350386, 4467964, 6525579, 6701946, 8700772, 8935928, 13051158, 13403892, 17401544, 26102316, 26807784, 41328667, 52204632, 82657334, 123986001, 165314668, 247972002, 330629336, 495944004, 991888008]

約数ペア:

[(1, 991888008), (2, 495944004), (3, 330629336), (4, 247972002), (6, 165314668), (8, 123986001), (12, 82657334), (19, 52204632), (24, 41328667), (37, 26807784), (38, 26102316), (57, 17401544), (74, 13403892), (76, 13051158), (111, 8935928), (114, 8700772), (148, 6701946), (152, 6525579), (222, 4467964), (228, 4350386), (296, 3350973), (444, 2233982), (456, 2175193), (703, 1410936), (888, 1116991), (1406, 705468), (2109, 470312), (2812, 352734), (4218, 235156), (5624, 176367), (8436, 117578), (16872, 58789)]