31631470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 65028096

約数和(自身を除く): 33396626

約数列:

[1, 2, 5, 10, 13, 26, 31, 47, 62, 65, 94, 130, 155, 167, 235, 310, 334, 403, 470, 611, 806, 835, 1222, 1457, 1670, 2015, 2171, 2914, 3055, 4030, 4342, 5177, 6110, 7285, 7849, 10354, 10855, 14570, 15698, 18941, 21710, 25885, 37882, 39245, 51770, 67301, 78490, 94705, 102037, 134602, 189410, 204074, 243319, 336505, 486638, 510185, 673010, 1020370, 1216595, 2433190, 3163147, 6326294, 15815735, 31631470]

約数ペア:

[(1, 31631470), (2, 15815735), (5, 6326294), (10, 3163147), (13, 2433190), (26, 1216595), (31, 1020370), (47, 673010), (62, 510185), (65, 486638), (94, 336505), (130, 243319), (155, 204074), (167, 189410), (235, 134602), (310, 102037), (334, 94705), (403, 78490), (470, 67301), (611, 51770), (806, 39245), (835, 37882), (1222, 25885), (1457, 21710), (1670, 18941), (2015, 15698), (2171, 14570), (2914, 10855), (3055, 10354), (4030, 7849), (4342, 7285), (5177, 6110)]