64388268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1297}}^1$

素因数の和:1511

約数の個数: 72

約数和(自身を含む): 187098912

約数和(自身を除く): 122710644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 788, 1182, 1297, 1379, 1773, 2364, 2594, 2758, 3546, 3891, 4137, 5188, 5516, 7092, 7782, 8274, 9079, 11673, 12411, 15564, 16548, 18158, 23346, 24822, 27237, 36316, 46692, 49644, 54474, 81711, 108948, 163422, 255509, 326844, 511018, 766527, 1022036, 1533054, 1788563, 2299581, 3066108, 3577126, 4599162, 5365689, 7154252, 9198324, 10731378, 16097067, 21462756, 32194134, 64388268]

約数ペア:

[(1, 64388268), (2, 32194134), (3, 21462756), (4, 16097067), (6, 10731378), (7, 9198324), (9, 7154252), (12, 5365689), (14, 4599162), (18, 3577126), (21, 3066108), (28, 2299581), (36, 1788563), (42, 1533054), (63, 1022036), (84, 766527), (126, 511018), (197, 326844), (252, 255509), (394, 163422), (591, 108948), (788, 81711), (1182, 54474), (1297, 49644), (1379, 46692), (1773, 36316), (2364, 27237), (2594, 24822), (2758, 23346), (3546, 18158), (3891, 16548), (4137, 15564), (5188, 12411), (5516, 11673), (7092, 9079), (7782, 8274)]