645092866

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{907}}^1\times {\mathrm{2939}}^1$

素因数の和:3870

約数の個数: 24

約数和(自身を含む): 1065138480

約数和(自身を除く): 420045614

約数列:

[1, 2, 11, 22, 121, 242, 907, 1814, 2939, 5878, 9977, 19954, 32329, 64658, 109747, 219494, 355619, 711238, 2665673, 5331346, 29322403, 58644806, 322546433, 645092866]

約数ペア:

[(1, 645092866), (2, 322546433), (11, 58644806), (22, 29322403), (121, 5331346), (242, 2665673), (907, 711238), (1814, 355619), (2939, 219494), (5878, 109747), (9977, 64658), (19954, 32329)]