639710365432

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2693}}^1\times {\mathrm{47207}}^1$

素因数の和:49960

約数の個数: 64

約数和(自身を含む): 1304849891520

約数和(自身を除く): 665139526088

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 2693, 5032, 5386, 10772, 21544, 45781, 47207, 91562, 94414, 99641, 183124, 188828, 199282, 366248, 377656, 398564, 797128, 802519, 1605038, 1693897, 1746659, 3210076, 3387794, 3493318, 6420152, 6775588, 6986636, 13551176, 13973272, 29693203, 59386406, 118772812, 127128451, 237545624, 254256902, 508513804, 1017027608, 2161183667, 4322367334, 4703752687, 8644734668, 9407505374, 17289469336, 18815010748, 37630021496, 79963795679, 159927591358, 319855182716, 639710365432]

約数ペア:

[(1, 639710365432), (2, 319855182716), (4, 159927591358), (8, 79963795679), (17, 37630021496), (34, 18815010748), (37, 17289469336), (68, 9407505374), (74, 8644734668), (136, 4703752687), (148, 4322367334), (296, 2161183667), (629, 1017027608), (1258, 508513804), (2516, 254256902), (2693, 237545624), (5032, 127128451), (5386, 118772812), (10772, 59386406), (21544, 29693203), (45781, 13973272), (47207, 13551176), (91562, 6986636), (94414, 6775588), (99641, 6420152), (183124, 3493318), (188828, 3387794), (199282, 3210076), (366248, 1746659), (377656, 1693897), (398564, 1605038), (797128, 802519)]