251656392

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{3617}}^1$

素因数の和:3862

約数の個数: 64

約数和(自身を含む): 680762880

約数和(自身を除く): 429106488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 223, 312, 446, 669, 892, 1338, 1784, 2676, 2899, 3617, 5352, 5798, 7234, 8697, 10851, 11596, 14468, 17394, 21702, 23192, 28936, 34788, 43404, 47021, 69576, 86808, 94042, 141063, 188084, 282126, 376168, 564252, 806591, 1128504, 1613182, 2419773, 3226364, 4839546, 6452728, 9679092, 10485683, 19358184, 20971366, 31457049, 41942732, 62914098, 83885464, 125828196, 251656392]

約数ペア:

[(1, 251656392), (2, 125828196), (3, 83885464), (4, 62914098), (6, 41942732), (8, 31457049), (12, 20971366), (13, 19358184), (24, 10485683), (26, 9679092), (39, 6452728), (52, 4839546), (78, 3226364), (104, 2419773), (156, 1613182), (223, 1128504), (312, 806591), (446, 564252), (669, 376168), (892, 282126), (1338, 188084), (1784, 141063), (2676, 94042), (2899, 86808), (3617, 69576), (5352, 47021), (5798, 43404), (7234, 34788), (8697, 28936), (10851, 23192), (11596, 21702), (14468, 17394)]