85439365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 128770560

約数和(自身を除く): 43331195

約数列:

[1, 5, 11, 17, 23, 29, 55, 85, 115, 137, 145, 187, 253, 319, 391, 493, 667, 685, 935, 1265, 1507, 1595, 1955, 2329, 2465, 3151, 3335, 3973, 4301, 5423, 7337, 7535, 11339, 11645, 15755, 19865, 21505, 25619, 27115, 34661, 36685, 43703, 53567, 56695, 67541, 91379, 124729, 128095, 173305, 218515, 267835, 337705, 456895, 589237, 623645, 742951, 1005169, 1553443, 2946185, 3714755, 5025845, 7767215, 17087873, 85439365]

約数ペア:

[(1, 85439365), (5, 17087873), (11, 7767215), (17, 5025845), (23, 3714755), (29, 2946185), (55, 1553443), (85, 1005169), (115, 742951), (137, 623645), (145, 589237), (187, 456895), (253, 337705), (319, 267835), (391, 218515), (493, 173305), (667, 128095), (685, 124729), (935, 91379), (1265, 67541), (1507, 56695), (1595, 53567), (1955, 43703), (2329, 36685), (2465, 34661), (3151, 27115), (3335, 25619), (3973, 21505), (4301, 19865), (5423, 15755), (7337, 11645), (7535, 11339)]