84421255

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 108618048

約数和(自身を除く): 24196793

約数列:

[1, 5, 41, 43, 61, 157, 205, 215, 305, 785, 1763, 2501, 2623, 6437, 6751, 8815, 9577, 12505, 13115, 32185, 33755, 47885, 107543, 276791, 392657, 411811, 537715, 1383955, 1963285, 2059055, 16884251, 84421255]

約数ペア:

[(1, 84421255), (5, 16884251), (41, 2059055), (43, 1963285), (61, 1383955), (157, 537715), (205, 411811), (215, 392657), (305, 276791), (785, 107543), (1763, 47885), (2501, 33755), (2623, 32185), (6437, 13115), (6751, 12505), (8815, 9577)]