661413144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{15319}}^1$

素因数の和:15592

約数の個数: 64

約数和(自身を含む): 1897228800

約数和(自身を除く): 1235815656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 257, 514, 771, 1028, 1542, 1799, 2056, 3084, 3598, 5397, 6168, 7196, 10794, 14392, 15319, 21588, 30638, 43176, 45957, 61276, 91914, 107233, 122552, 183828, 214466, 321699, 367656, 428932, 643398, 857864, 1286796, 2573592, 3936983, 7873966, 11810949, 15747932, 23621898, 27558881, 31495864, 47243796, 55117762, 82676643, 94487592, 110235524, 165353286, 220471048, 330706572, 661413144]

約数ペア:

[(1, 661413144), (2, 330706572), (3, 220471048), (4, 165353286), (6, 110235524), (7, 94487592), (8, 82676643), (12, 55117762), (14, 47243796), (21, 31495864), (24, 27558881), (28, 23621898), (42, 15747932), (56, 11810949), (84, 7873966), (168, 3936983), (257, 2573592), (514, 1286796), (771, 857864), (1028, 643398), (1542, 428932), (1799, 367656), (2056, 321699), (3084, 214466), (3598, 183828), (5397, 122552), (6168, 107233), (7196, 91914), (10794, 61276), (14392, 45957), (15319, 43176), (21588, 30638)]