128943472

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{7333}}^1$

素因数の和:7505

約数の個数: 40

約数和(自身を含む): 287375456

約数和(自身を除く): 158431984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1256, 2198, 2512, 4396, 7333, 8792, 14666, 17584, 29332, 51331, 58664, 102662, 117328, 205324, 410648, 821296, 1151281, 2302562, 4605124, 8058967, 9210248, 16117934, 18420496, 32235868, 64471736, 128943472]

約数ペア:

[(1, 128943472), (2, 64471736), (4, 32235868), (7, 18420496), (8, 16117934), (14, 9210248), (16, 8058967), (28, 4605124), (56, 2302562), (112, 1151281), (157, 821296), (314, 410648), (628, 205324), (1099, 117328), (1256, 102662), (2198, 58664), (2512, 51331), (4396, 29332), (7333, 17584), (8792, 14666)]