28120158

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{12911}}^1$

素因数の和:12941

約数の個数: 36

約数和(自身を含む): 66974544

約数和(自身を除く): 38854386

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 12911, 25822, 38733, 77466, 116199, 142021, 232398, 284042, 426063, 852126, 1278189, 1562231, 2556378, 3124462, 4686693, 9373386, 14060079, 28120158]

約数ペア:

[(1, 28120158), (2, 14060079), (3, 9373386), (6, 4686693), (9, 3124462), (11, 2556378), (18, 1562231), (22, 1278189), (33, 852126), (66, 426063), (99, 284042), (121, 232398), (198, 142021), (242, 116199), (363, 77466), (726, 38733), (1089, 25822), (2178, 12911)]