816665044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{859}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 1577721600

約数和(自身を除く): 761056556

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 389, 611, 778, 859, 1222, 1556, 1718, 2444, 3436, 5057, 10114, 11167, 18283, 20228, 22334, 36566, 40373, 44668, 73132, 80746, 161492, 237679, 334151, 475358, 524849, 668302, 950716, 1049698, 1336604, 2099396, 4343963, 8687926, 15705097, 17375852, 31410194, 62820388, 204166261, 408332522, 816665044]

約数ペア:

[(1, 816665044), (2, 408332522), (4, 204166261), (13, 62820388), (26, 31410194), (47, 17375852), (52, 15705097), (94, 8687926), (188, 4343963), (389, 2099396), (611, 1336604), (778, 1049698), (859, 950716), (1222, 668302), (1556, 524849), (1718, 475358), (2444, 334151), (3436, 237679), (5057, 161492), (10114, 80746), (11167, 73132), (18283, 44668), (20228, 40373), (22334, 36566)]