398048976

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{212633}}^1$

素因数の和:212660

約数の個数: 60

約数和(自身を含む): 1199681028

約数和(自身を除く): 801632052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 212633, 425266, 637899, 850532, 1275798, 1701064, 1913697, 2551596, 2764229, 3402128, 3827394, 5103192, 5528458, 7654788, 8292687, 10206384, 11056916, 15309576, 16585374, 22113832, 24878061, 30619152, 33170748, 44227664, 49756122, 66341496, 99512244, 132682992, 199024488, 398048976]

約数ペア:

[(1, 398048976), (2, 199024488), (3, 132682992), (4, 99512244), (6, 66341496), (8, 49756122), (9, 44227664), (12, 33170748), (13, 30619152), (16, 24878061), (18, 22113832), (24, 16585374), (26, 15309576), (36, 11056916), (39, 10206384), (48, 8292687), (52, 7654788), (72, 5528458), (78, 5103192), (104, 3827394), (117, 3402128), (144, 2764229), (156, 2551596), (208, 1913697), (234, 1701064), (312, 1275798), (468, 850532), (624, 637899), (936, 425266), (1872, 212633)]