211488355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1019}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 285143040

約数和(自身を除く): 73654685

約数列:

[1, 5, 13, 31, 65, 103, 155, 403, 515, 1019, 1339, 2015, 3193, 5095, 6695, 13247, 15965, 31589, 41509, 66235, 104957, 157945, 207545, 410657, 524785, 1364441, 2053285, 3253667, 6822205, 16268335, 42297671, 211488355]

約数ペア:

[(1, 211488355), (5, 42297671), (13, 16268335), (31, 6822205), (65, 3253667), (103, 2053285), (155, 1364441), (403, 524785), (515, 410657), (1019, 207545), (1339, 157945), (2015, 104957), (3193, 66235), (5095, 41509), (6695, 31589), (13247, 15965)]