27137890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10987}}^1$

素因数の和:11026

約数の個数: 32

約数和(自身を含む): 55379520

約数和(自身を除く): 28241630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 10987, 21974, 54935, 109870, 142831, 208753, 285662, 417506, 714155, 1043765, 1428310, 2087530, 2713789, 5427578, 13568945, 27137890]

約数ペア:

[(1, 27137890), (2, 13568945), (5, 5427578), (10, 2713789), (13, 2087530), (19, 1428310), (26, 1043765), (38, 714155), (65, 417506), (95, 285662), (130, 208753), (190, 142831), (247, 109870), (494, 54935), (1235, 21974), (2470, 10987)]