647164416

素因数分解:

$2^9\times 3^1\times {\mathrm{421331}}^1$

素因数の和:421352

約数の個数: 40

約数和(自身を含む): 1724090544

約数和(自身を除く): 1076926128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 421331, 842662, 1263993, 1685324, 2527986, 3370648, 5055972, 6741296, 10111944, 13482592, 20223888, 26965184, 40447776, 53930368, 80895552, 107860736, 161791104, 215721472, 323582208, 647164416]

約数ペア:

[(1, 647164416), (2, 323582208), (3, 215721472), (4, 161791104), (6, 107860736), (8, 80895552), (12, 53930368), (16, 40447776), (24, 26965184), (32, 20223888), (48, 13482592), (64, 10111944), (96, 6741296), (128, 5055972), (192, 3370648), (256, 2527986), (384, 1685324), (512, 1263993), (768, 842662), (1536, 421331)]