838900996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{22481}}^1$

素因数の和:22995

約数の個数: 24

約数和(自身を含む): 1548560160

約数和(自身を除く): 709659164

約数列:

[1, 2, 4, 19, 38, 76, 491, 982, 1964, 9329, 18658, 22481, 37316, 44962, 89924, 427139, 854278, 1708556, 11038171, 22076342, 44152684, 209725249, 419450498, 838900996]

約数ペア:

[(1, 838900996), (2, 419450498), (4, 209725249), (19, 44152684), (38, 22076342), (76, 11038171), (491, 1708556), (982, 854278), (1964, 427139), (9329, 89924), (18658, 44962), (22481, 37316)]