25286235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 21162405

約数列:

[1, 3, 5, 13, 15, 31, 39, 47, 65, 89, 93, 141, 155, 195, 235, 267, 403, 445, 465, 611, 705, 1157, 1209, 1335, 1457, 1833, 2015, 2759, 3055, 3471, 4183, 4371, 5785, 6045, 7285, 8277, 9165, 12549, 13795, 17355, 18941, 20915, 21855, 35867, 41385, 54379, 56823, 62745, 94705, 107601, 129673, 163137, 179335, 271895, 284115, 389019, 538005, 648365, 815685, 1685749, 1945095, 5057247, 8428745, 25286235]

約数ペア:

[(1, 25286235), (3, 8428745), (5, 5057247), (13, 1945095), (15, 1685749), (31, 815685), (39, 648365), (47, 538005), (65, 389019), (89, 284115), (93, 271895), (141, 179335), (155, 163137), (195, 129673), (235, 107601), (267, 94705), (403, 62745), (445, 56823), (465, 54379), (611, 41385), (705, 35867), (1157, 21855), (1209, 20915), (1335, 18941), (1457, 17355), (1833, 13795), (2015, 12549), (2759, 9165), (3055, 8277), (3471, 7285), (4183, 6045), (4371, 5785)]