209999104

素因数分解:

$2^8\times 7^2\times {\mathrm{16741}}^1$

素因数の和:16771

約数の個数: 54

約数和(自身を含む): 487644234

約数和(自身を除く): 277645130

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 16741, 33482, 66964, 117187, 133928, 234374, 267856, 468748, 535712, 820309, 937496, 1071424, 1640618, 1874992, 2142848, 3281236, 3749984, 4285696, 6562472, 7499968, 13124944, 14999936, 26249888, 29999872, 52499776, 104999552, 209999104]

約数ペア:

[(1, 209999104), (2, 104999552), (4, 52499776), (7, 29999872), (8, 26249888), (14, 14999936), (16, 13124944), (28, 7499968), (32, 6562472), (49, 4285696), (56, 3749984), (64, 3281236), (98, 2142848), (112, 1874992), (128, 1640618), (196, 1071424), (224, 937496), (256, 820309), (392, 535712), (448, 468748), (784, 267856), (896, 234374), (1568, 133928), (1792, 117187), (3136, 66964), (6272, 33482), (12544, 16741)]