644672016

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{120997}}^1$

素因数の和:121048

約数の個数: 60

約数和(自身を含む): 1852963372

約数和(自身を除く): 1208291356

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 5328, 120997, 241994, 362991, 483988, 725982, 967976, 1088973, 1451964, 1935952, 2177946, 2903928, 4355892, 4476889, 5807856, 8711784, 8953778, 13430667, 17423568, 17907556, 26861334, 35815112, 40292001, 53722668, 71630224, 80584002, 107445336, 161168004, 214890672, 322336008, 644672016]

約数ペア:

[(1, 644672016), (2, 322336008), (3, 214890672), (4, 161168004), (6, 107445336), (8, 80584002), (9, 71630224), (12, 53722668), (16, 40292001), (18, 35815112), (24, 26861334), (36, 17907556), (37, 17423568), (48, 13430667), (72, 8953778), (74, 8711784), (111, 5807856), (144, 4476889), (148, 4355892), (222, 2903928), (296, 2177946), (333, 1935952), (444, 1451964), (592, 1088973), (666, 967976), (888, 725982), (1332, 483988), (1776, 362991), (2664, 241994), (5328, 120997)]