28190988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{111869}}^1$

素因数の和:111886

約数の個数: 36

約数和(自身を含む): 81441360

約数和(自身を除く): 53250372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 111869, 223738, 335607, 447476, 671214, 783083, 1006821, 1342428, 1566166, 2013642, 2349249, 3132332, 4027284, 4698498, 7047747, 9396996, 14095494, 28190988]

約数ペア:

[(1, 28190988), (2, 14095494), (3, 9396996), (4, 7047747), (6, 4698498), (7, 4027284), (9, 3132332), (12, 2349249), (14, 2013642), (18, 1566166), (21, 1342428), (28, 1006821), (36, 783083), (42, 671214), (63, 447476), (84, 335607), (126, 223738), (252, 111869)]