646890664

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{39971}}^1$

素因数の和:40018

約数の個数: 48

約数和(自身を含む): 1472568480

約数和(自身を除く): 825677816

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 289, 476, 578, 952, 1156, 2023, 2312, 4046, 8092, 16184, 39971, 79942, 159884, 279797, 319768, 559594, 679507, 1119188, 1359014, 2238376, 2718028, 4756549, 5436056, 9513098, 11551619, 19026196, 23103238, 38052392, 46206476, 80861333, 92412952, 161722666, 323445332, 646890664]

約数ペア:

[(1, 646890664), (2, 323445332), (4, 161722666), (7, 92412952), (8, 80861333), (14, 46206476), (17, 38052392), (28, 23103238), (34, 19026196), (56, 11551619), (68, 9513098), (119, 5436056), (136, 4756549), (238, 2718028), (289, 2238376), (476, 1359014), (578, 1119188), (952, 679507), (1156, 559594), (2023, 319768), (2312, 279797), (4046, 159884), (8092, 79942), (16184, 39971)]