261188568

素因数分解:

$2^3\times 3^2\times {\mathrm{631}}^1\times {\mathrm{5749}}^1$

素因数の和:6392

約数の個数: 48

約数和(自身を含む): 708630000

約数和(自身を除く): 447441432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 631, 1262, 1893, 2524, 3786, 5048, 5679, 5749, 7572, 11358, 11498, 15144, 17247, 22716, 22996, 34494, 45432, 45992, 51741, 68988, 103482, 137976, 206964, 413928, 3627619, 7255238, 10882857, 14510476, 21765714, 29020952, 32648571, 43531428, 65297142, 87062856, 130594284, 261188568]

約数ペア:

[(1, 261188568), (2, 130594284), (3, 87062856), (4, 65297142), (6, 43531428), (8, 32648571), (9, 29020952), (12, 21765714), (18, 14510476), (24, 10882857), (36, 7255238), (72, 3627619), (631, 413928), (1262, 206964), (1893, 137976), (2524, 103482), (3786, 68988), (5048, 51741), (5679, 45992), (5749, 45432), (7572, 34494), (11358, 22996), (11498, 22716), (15144, 17247)]