778785696

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{208009}}^1$

素因数の和:208038

約数の個数: 72

約数和(自身を含む): 2385042660

約数和(自身を除く): 1606256964

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 208009, 416018, 624027, 832036, 1248054, 1664072, 1872081, 2496108, 2704117, 3328144, 3744162, 4992216, 5408234, 6656288, 7488324, 8112351, 9984432, 10816468, 14976648, 16224702, 19968864, 21632936, 24337053, 29953296, 32449404, 43265872, 48674106, 59906592, 64898808, 86531744, 97348212, 129797616, 194696424, 259595232, 389392848, 778785696]

約数ペア:

[(1, 778785696), (2, 389392848), (3, 259595232), (4, 194696424), (6, 129797616), (8, 97348212), (9, 86531744), (12, 64898808), (13, 59906592), (16, 48674106), (18, 43265872), (24, 32449404), (26, 29953296), (32, 24337053), (36, 21632936), (39, 19968864), (48, 16224702), (52, 14976648), (72, 10816468), (78, 9984432), (96, 8112351), (104, 7488324), (117, 6656288), (144, 5408234), (156, 4992216), (208, 3744162), (234, 3328144), (288, 2704117), (312, 2496108), (416, 1872081), (468, 1664072), (624, 1248054), (936, 832036), (1248, 624027), (1872, 416018), (3744, 208009)]