31201345

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 44697600

約数和(自身を除く): 13496255

約数列:

[1, 5, 7, 31, 35, 149, 155, 193, 217, 745, 965, 1043, 1085, 1351, 4619, 5215, 5983, 6755, 23095, 28757, 29915, 32333, 41881, 143785, 161665, 201299, 209405, 891467, 1006495, 4457335, 6240269, 31201345]

約数ペア:

[(1, 31201345), (5, 6240269), (7, 4457335), (31, 1006495), (35, 891467), (149, 209405), (155, 201299), (193, 161665), (217, 143785), (745, 41881), (965, 32333), (1043, 29915), (1085, 28757), (1351, 23095), (4619, 6755), (5215, 5983)]