268398465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1862

約数の個数: 64

約数和(自身を含む): 494346240

約数和(自身を除く): 225947775

約数列:

[1, 3, 5, 15, 17, 19, 31, 51, 57, 85, 93, 95, 155, 255, 285, 323, 465, 527, 589, 969, 1581, 1615, 1767, 1787, 2635, 2945, 4845, 5361, 7905, 8835, 8935, 10013, 26805, 30039, 30379, 33953, 50065, 55397, 91137, 101859, 150195, 151895, 166191, 169765, 276985, 455685, 509295, 577201, 830955, 941749, 1052543, 1731603, 2825247, 2886005, 3157629, 4708745, 5262715, 8658015, 14126235, 15788145, 17893231, 53679693, 89466155, 268398465]

約数ペア:

[(1, 268398465), (3, 89466155), (5, 53679693), (15, 17893231), (17, 15788145), (19, 14126235), (31, 8658015), (51, 5262715), (57, 4708745), (85, 3157629), (93, 2886005), (95, 2825247), (155, 1731603), (255, 1052543), (285, 941749), (323, 830955), (465, 577201), (527, 509295), (589, 455685), (969, 276985), (1581, 169765), (1615, 166191), (1767, 151895), (1787, 150195), (2635, 101859), (2945, 91137), (4845, 55397), (5361, 50065), (7905, 33953), (8835, 30379), (8935, 30039), (10013, 26805)]