511702919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 690923520

約数和(自身を除く): 179220601

約数列:

[1, 7, 13, 23, 41, 67, 89, 91, 161, 287, 299, 469, 533, 623, 871, 943, 1157, 1541, 2047, 2093, 2747, 3649, 3731, 5963, 6097, 6601, 8099, 10787, 12259, 14329, 19229, 20033, 25543, 26611, 35711, 41741, 47437, 63181, 77519, 83927, 85813, 137149, 140231, 186277, 244483, 249977, 332059, 442267, 542633, 587489, 821353, 960043, 1091051, 1711381, 1782937, 3178279, 5623109, 5749471, 7637357, 12480559, 22247953, 39361763, 73100417, 511702919]

約数ペア:

[(1, 511702919), (7, 73100417), (13, 39361763), (23, 22247953), (41, 12480559), (67, 7637357), (89, 5749471), (91, 5623109), (161, 3178279), (287, 1782937), (299, 1711381), (469, 1091051), (533, 960043), (623, 821353), (871, 587489), (943, 542633), (1157, 442267), (1541, 332059), (2047, 249977), (2093, 244483), (2747, 186277), (3649, 140231), (3731, 137149), (5963, 85813), (6097, 83927), (6601, 77519), (8099, 63181), (10787, 47437), (12259, 41741), (14329, 35711), (19229, 26611), (20033, 25543)]