493902378

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^2\times {\mathrm{271}}^1$

素因数の和:444

約数の個数: 72

約数和(自身を含む): 1146300480

約数和(自身を除く): 652398102

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 73, 114, 146, 171, 219, 271, 342, 438, 542, 657, 813, 1314, 1387, 1626, 2439, 2774, 4161, 4878, 5149, 5329, 8322, 10298, 10658, 12483, 15447, 15987, 19783, 24966, 30894, 31974, 39566, 46341, 47961, 59349, 92682, 95922, 101251, 118698, 178047, 202502, 303753, 356094, 375877, 607506, 751754, 911259, 1127631, 1444159, 1822518, 2255262, 2888318, 3382893, 4332477, 6765786, 8664954, 12997431, 25994862, 27439021, 54878042, 82317063, 164634126, 246951189, 493902378]

約数ペア:

[(1, 493902378), (2, 246951189), (3, 164634126), (6, 82317063), (9, 54878042), (18, 27439021), (19, 25994862), (38, 12997431), (57, 8664954), (73, 6765786), (114, 4332477), (146, 3382893), (171, 2888318), (219, 2255262), (271, 1822518), (342, 1444159), (438, 1127631), (542, 911259), (657, 751754), (813, 607506), (1314, 375877), (1387, 356094), (1626, 303753), (2439, 202502), (2774, 178047), (4161, 118698), (4878, 101251), (5149, 95922), (5329, 92682), (8322, 59349), (10298, 47961), (10658, 46341), (12483, 39566), (15447, 31974), (15987, 30894), (19783, 24966)]