65251745

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 91072512

約数和(自身を除く): 25820767

約数列:

[1, 5, 13, 31, 47, 53, 65, 155, 169, 235, 265, 403, 611, 689, 845, 1457, 1643, 2015, 2491, 3055, 3445, 5239, 7285, 7943, 8215, 8957, 12455, 18941, 21359, 26195, 32383, 39715, 44785, 77221, 94705, 106795, 161915, 246233, 277667, 386105, 420979, 1003873, 1231165, 1388335, 2104895, 5019365, 13050349, 65251745]

約数ペア:

[(1, 65251745), (5, 13050349), (13, 5019365), (31, 2104895), (47, 1388335), (53, 1231165), (65, 1003873), (155, 420979), (169, 386105), (235, 277667), (265, 246233), (403, 161915), (611, 106795), (689, 94705), (845, 77221), (1457, 44785), (1643, 39715), (2015, 32383), (2491, 26195), (3055, 21359), (3445, 18941), (5239, 12455), (7285, 8957), (7943, 8215)]