399557928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{216211}}^1$

素因数の和:216238

約数の個数: 64

約数和(自身を含む): 1245381120

約数和(自身を除く): 845823192

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 216211, 432422, 648633, 864844, 1297266, 1513477, 1729688, 2378321, 2594532, 3026954, 4540431, 4756642, 5189064, 6053908, 7134963, 9080862, 9513284, 12107816, 14269926, 16648247, 18161724, 19026568, 28539852, 33296494, 36323448, 49944741, 57079704, 66592988, 99889482, 133185976, 199778964, 399557928]

約数ペア:

[(1, 399557928), (2, 199778964), (3, 133185976), (4, 99889482), (6, 66592988), (7, 57079704), (8, 49944741), (11, 36323448), (12, 33296494), (14, 28539852), (21, 19026568), (22, 18161724), (24, 16648247), (28, 14269926), (33, 12107816), (42, 9513284), (44, 9080862), (56, 7134963), (66, 6053908), (77, 5189064), (84, 4756642), (88, 4540431), (132, 3026954), (154, 2594532), (168, 2378321), (231, 1729688), (264, 1513477), (308, 1297266), (462, 864844), (616, 648633), (924, 432422), (1848, 216211)]