81504052

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 179004168

約数和(自身を除く): 97500116

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 61, 68, 98, 119, 122, 196, 238, 244, 401, 427, 476, 802, 833, 854, 1037, 1604, 1666, 1708, 2074, 2807, 2989, 3332, 4148, 5614, 5978, 6817, 7259, 11228, 11956, 13634, 14518, 19649, 24461, 27268, 29036, 39298, 47719, 48922, 50813, 78596, 95438, 97844, 101626, 171227, 190876, 203252, 334033, 342454, 415837, 668066, 684908, 831674, 1198589, 1336132, 1663348, 2397178, 2910859, 4794356, 5821718, 11643436, 20376013, 40752026, 81504052]

約数ペア:

[(1, 81504052), (2, 40752026), (4, 20376013), (7, 11643436), (14, 5821718), (17, 4794356), (28, 2910859), (34, 2397178), (49, 1663348), (61, 1336132), (68, 1198589), (98, 831674), (119, 684908), (122, 668066), (196, 415837), (238, 342454), (244, 334033), (401, 203252), (427, 190876), (476, 171227), (802, 101626), (833, 97844), (854, 95438), (1037, 78596), (1604, 50813), (1666, 48922), (1708, 47719), (2074, 39298), (2807, 29036), (2989, 27268), (3332, 24461), (4148, 19649), (5614, 14518), (5978, 13634), (6817, 11956), (7259, 11228)]