155510815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 204773184

約数和(自身を除く): 49262369

約数列:

[1, 5, 17, 37, 85, 185, 197, 251, 629, 985, 1255, 3145, 3349, 4267, 7289, 9287, 16745, 21335, 36445, 46435, 49447, 123913, 157879, 247235, 619565, 789395, 840599, 1829539, 4202995, 9147695, 31102163, 155510815]

約数ペア:

[(1, 155510815), (5, 31102163), (17, 9147695), (37, 4202995), (85, 1829539), (185, 840599), (197, 789395), (251, 619565), (629, 247235), (985, 157879), (1255, 123913), (3145, 49447), (3349, 46435), (4267, 36445), (7289, 21335), (9287, 16745)]