79430990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{997}}^1$

素因数の和:1292

約数の個数: 32

約数和(自身を含む): 148310784

約数和(自身を除く): 68879794

約数列:

[1, 2, 5, 10, 31, 62, 155, 257, 310, 514, 997, 1285, 1994, 2570, 4985, 7967, 9970, 15934, 30907, 39835, 61814, 79670, 154535, 256229, 309070, 512458, 1281145, 2562290, 7943099, 15886198, 39715495, 79430990]

約数ペア:

[(1, 79430990), (2, 39715495), (5, 15886198), (10, 7943099), (31, 2562290), (62, 1281145), (155, 512458), (257, 309070), (310, 256229), (514, 154535), (997, 79670), (1285, 61814), (1994, 39835), (2570, 30907), (4985, 15934), (7967, 9970)]