28216356

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 78293376

約数和(自身を除く): 50077020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 658, 987, 1021, 1316, 1974, 2042, 2303, 3063, 3948, 4084, 4606, 6126, 6909, 7147, 9212, 12252, 13818, 14294, 21441, 27636, 28588, 42882, 47987, 50029, 85764, 95974, 100058, 143961, 150087, 191948, 200116, 287922, 300174, 335909, 575844, 600348, 671818, 1007727, 1343636, 2015454, 2351363, 4030908, 4702726, 7054089, 9405452, 14108178, 28216356]

約数ペア:

[(1, 28216356), (2, 14108178), (3, 9405452), (4, 7054089), (6, 4702726), (7, 4030908), (12, 2351363), (14, 2015454), (21, 1343636), (28, 1007727), (42, 671818), (47, 600348), (49, 575844), (84, 335909), (94, 300174), (98, 287922), (141, 200116), (147, 191948), (188, 150087), (196, 143961), (282, 100058), (294, 95974), (329, 85764), (564, 50029), (588, 47987), (658, 42882), (987, 28588), (1021, 27636), (1316, 21441), (1974, 14294), (2042, 13818), (2303, 12252), (3063, 9212), (3948, 7147), (4084, 6909), (4606, 6126)]