489737735

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{643}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 634314240

約数和(自身を除く): 144576505

約数列:

[1, 5, 23, 37, 115, 179, 185, 643, 851, 895, 3215, 4117, 4255, 6623, 14789, 20585, 23791, 33115, 73945, 115097, 118955, 152329, 547193, 575485, 761645, 2647231, 2735965, 4258589, 13236155, 21292945, 97947547, 489737735]

約数ペア:

[(1, 489737735), (5, 97947547), (23, 21292945), (37, 13236155), (115, 4258589), (179, 2735965), (185, 2647231), (643, 761645), (851, 575485), (895, 547193), (3215, 152329), (4117, 118955), (4255, 115097), (6623, 73945), (14789, 33115), (20585, 23791)]