16868275921

素因数分解:

$7^4\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:2019

約数の個数: 40

約数和(自身を含む): 20343057984

約数和(自身を除く): 3474782063

約数列:

[1, 7, 49, 53, 71, 343, 371, 497, 1867, 2401, 2597, 3479, 3763, 13069, 18179, 24353, 26341, 91483, 98951, 127253, 132557, 170471, 184387, 640381, 692657, 927899, 1290709, 4482667, 4848599, 6495293, 7025521, 9034963, 33940193, 45467051, 49178647, 237581351, 318269357, 344250529, 2409753703, 16868275921]

約数ペア:

[(1, 16868275921), (7, 2409753703), (49, 344250529), (53, 318269357), (71, 237581351), (343, 49178647), (371, 45467051), (497, 33940193), (1867, 9034963), (2401, 7025521), (2597, 6495293), (3479, 4848599), (3763, 4482667), (13069, 1290709), (18179, 927899), (24353, 692657), (26341, 640381), (91483, 184387), (98951, 170471), (127253, 132557)]