421017856

素因数分解:

$2^8\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2281}}^1$

素因数の和:2407

約数の個数: 72

約数和(自身を含む): 970196864

約数和(自身を除く): 549179008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 206, 224, 256, 412, 448, 721, 824, 896, 1442, 1648, 1792, 2281, 2884, 3296, 4562, 5768, 6592, 9124, 11536, 13184, 15967, 18248, 23072, 26368, 31934, 36496, 46144, 63868, 72992, 92288, 127736, 145984, 184576, 234943, 255472, 291968, 469886, 510944, 583936, 939772, 1021888, 1644601, 1879544, 2043776, 3289202, 3759088, 4087552, 6578404, 7518176, 13156808, 15036352, 26313616, 30072704, 52627232, 60145408, 105254464, 210508928, 421017856]

約数ペア:

[(1, 421017856), (2, 210508928), (4, 105254464), (7, 60145408), (8, 52627232), (14, 30072704), (16, 26313616), (28, 15036352), (32, 13156808), (56, 7518176), (64, 6578404), (103, 4087552), (112, 3759088), (128, 3289202), (206, 2043776), (224, 1879544), (256, 1644601), (412, 1021888), (448, 939772), (721, 583936), (824, 510944), (896, 469886), (1442, 291968), (1648, 255472), (1792, 234943), (2281, 184576), (2884, 145984), (3296, 127736), (4562, 92288), (5768, 72992), (6592, 63868), (9124, 46144), (11536, 36496), (13184, 31934), (15967, 26368), (18248, 23072)]