128900646

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{577}}^1$

素因数の和:795

約数の個数: 80

約数和(自身を含む): 332345376

約数和(自身を除く): 203444730

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 197, 378, 394, 567, 577, 591, 1134, 1154, 1182, 1379, 1731, 1773, 2758, 3462, 3546, 4039, 4137, 5193, 5319, 8078, 8274, 10386, 10638, 12117, 12411, 15579, 15957, 24234, 24822, 31158, 31914, 36351, 37233, 46737, 72702, 74466, 93474, 109053, 111699, 113669, 218106, 223398, 227338, 327159, 341007, 654318, 682014, 795683, 1023021, 1591366, 2046042, 2387049, 3069063, 4774098, 6138126, 7161147, 9207189, 14322294, 18414378, 21483441, 42966882, 64450323, 128900646]

約数ペア:

[(1, 128900646), (2, 64450323), (3, 42966882), (6, 21483441), (7, 18414378), (9, 14322294), (14, 9207189), (18, 7161147), (21, 6138126), (27, 4774098), (42, 3069063), (54, 2387049), (63, 2046042), (81, 1591366), (126, 1023021), (162, 795683), (189, 682014), (197, 654318), (378, 341007), (394, 327159), (567, 227338), (577, 223398), (591, 218106), (1134, 113669), (1154, 111699), (1182, 109053), (1379, 93474), (1731, 74466), (1773, 72702), (2758, 46737), (3462, 37233), (3546, 36351), (4039, 31914), (4137, 31158), (5193, 24822), (5319, 24234), (8078, 15957), (8274, 15579), (10386, 12411), (10638, 12117)]