221423104

素因数分解:

$2^9\times 7^1\times {\mathrm{61781}}^1$

素因数の和:61806

約数の個数: 40

約数和(自身を含む): 505623888

約数和(自身を除く): 284200784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 61781, 123562, 247124, 432467, 494248, 864934, 988496, 1729868, 1976992, 3459736, 3953984, 6919472, 7907968, 13838944, 15815936, 27677888, 31631872, 55355776, 110711552, 221423104]

約数ペア:

[(1, 221423104), (2, 110711552), (4, 55355776), (7, 31631872), (8, 27677888), (14, 15815936), (16, 13838944), (28, 7907968), (32, 6919472), (56, 3953984), (64, 3459736), (112, 1976992), (128, 1729868), (224, 988496), (256, 864934), (448, 494248), (512, 432467), (896, 247124), (1792, 123562), (3584, 61781)]