80400778

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 130846464

約数和(自身を除く): 50445686

約数列:

[1, 2, 23, 37, 46, 74, 97, 194, 487, 851, 974, 1702, 2231, 3589, 4462, 7178, 11201, 18019, 22402, 36038, 47239, 82547, 94478, 165094, 414437, 828874, 1086497, 1747843, 2172994, 3495686, 40200389, 80400778]

約数ペア:

[(1, 80400778), (2, 40200389), (23, 3495686), (37, 2172994), (46, 1747843), (74, 1086497), (97, 828874), (194, 414437), (487, 165094), (851, 94478), (974, 82547), (1702, 47239), (2231, 36038), (3589, 22402), (4462, 18019), (7178, 11201)]