81194965

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 104493312

約数和(自身を除く): 23298347

約数列:

[1, 5, 41, 43, 61, 151, 205, 215, 305, 755, 1763, 2501, 2623, 6191, 6493, 8815, 9211, 12505, 13115, 30955, 32465, 46055, 107543, 266213, 377651, 396073, 537715, 1331065, 1888255, 1980365, 16238993, 81194965]

約数ペア:

[(1, 81194965), (5, 16238993), (41, 1980365), (43, 1888255), (61, 1331065), (151, 537715), (205, 396073), (215, 377651), (305, 266213), (755, 107543), (1763, 46055), (2501, 32465), (2623, 30955), (6191, 13115), (6493, 12505), (8815, 9211)]