648481684

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{503}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 1209793536

約数和(自身を除く): 561311852

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 281, 503, 562, 1006, 1124, 1147, 2012, 2294, 4588, 8711, 10397, 15593, 17422, 18611, 20794, 31186, 34844, 37222, 41588, 62372, 74444, 141343, 282686, 322307, 565372, 576941, 644614, 1153882, 1289228, 2307764, 4381633, 5229691, 8763266, 10459382, 17526532, 20918764, 162120421, 324240842, 648481684]

約数ペア:

[(1, 648481684), (2, 324240842), (4, 162120421), (31, 20918764), (37, 17526532), (62, 10459382), (74, 8763266), (124, 5229691), (148, 4381633), (281, 2307764), (503, 1289228), (562, 1153882), (1006, 644614), (1124, 576941), (1147, 565372), (2012, 322307), (2294, 282686), (4588, 141343), (8711, 74444), (10397, 62372), (15593, 41588), (17422, 37222), (18611, 34844), (20794, 31186)]