209866644

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{8461}}^1$

素因数の和:8537

約数の個数: 72

約数和(自身を含む): 582151752

約数和(自身を除く): 372285108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 954, 1378, 1908, 2067, 2756, 4134, 6201, 8268, 8461, 12402, 16922, 24804, 25383, 33844, 50766, 76149, 101532, 109993, 152298, 219986, 304596, 329979, 439972, 448433, 659958, 896866, 989937, 1319916, 1345299, 1793732, 1979874, 2690598, 3959748, 4035897, 5381196, 5829629, 8071794, 11659258, 16143588, 17488887, 23318516, 34977774, 52466661, 69955548, 104933322, 209866644]

約数ペア:

[(1, 209866644), (2, 104933322), (3, 69955548), (4, 52466661), (6, 34977774), (9, 23318516), (12, 17488887), (13, 16143588), (18, 11659258), (26, 8071794), (36, 5829629), (39, 5381196), (52, 4035897), (53, 3959748), (78, 2690598), (106, 1979874), (117, 1793732), (156, 1345299), (159, 1319916), (212, 989937), (234, 896866), (318, 659958), (468, 448433), (477, 439972), (636, 329979), (689, 304596), (954, 219986), (1378, 152298), (1908, 109993), (2067, 101532), (2756, 76149), (4134, 50766), (6201, 33844), (8268, 25383), (8461, 24804), (12402, 16922)]