259542972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{839}}^1$

素因数の和:1523

約数の個数: 72

約数和(自身を含む): 708445920

約数和(自身を除く): 448902948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 661, 839, 1322, 1678, 1983, 2517, 2644, 3356, 3966, 5034, 5949, 7551, 7932, 8593, 10068, 10907, 11898, 15102, 17186, 21814, 23796, 25779, 30204, 32721, 34372, 43628, 51558, 65442, 77337, 98163, 103116, 130884, 154674, 196326, 309348, 392652, 554579, 1109158, 1663737, 2218316, 3327474, 4991211, 6654948, 7209527, 9982422, 14419054, 19964844, 21628581, 28838108, 43257162, 64885743, 86514324, 129771486, 259542972]

約数ペア:

[(1, 259542972), (2, 129771486), (3, 86514324), (4, 64885743), (6, 43257162), (9, 28838108), (12, 21628581), (13, 19964844), (18, 14419054), (26, 9982422), (36, 7209527), (39, 6654948), (52, 4991211), (78, 3327474), (117, 2218316), (156, 1663737), (234, 1109158), (468, 554579), (661, 392652), (839, 309348), (1322, 196326), (1678, 154674), (1983, 130884), (2517, 103116), (2644, 98163), (3356, 77337), (3966, 65442), (5034, 51558), (5949, 43628), (7551, 34372), (7932, 32721), (8593, 30204), (10068, 25779), (10907, 23796), (11898, 21814), (15102, 17186)]