1280491394

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{3109}}^1$

素因数の和:3235

約数の個数: 64

約数和(自身を含む): 2474465280

約数和(自身を除く): 1193973886

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 73, 91, 146, 182, 217, 403, 434, 511, 806, 949, 1022, 1898, 2263, 2821, 3109, 4526, 5642, 6218, 6643, 13286, 15841, 21763, 29419, 31682, 40417, 43526, 58838, 80834, 96379, 192758, 205933, 226957, 282919, 411866, 453914, 565838, 674653, 1252927, 1349306, 1588699, 2505854, 2950441, 3177398, 5900882, 7035667, 8770489, 14071334, 17540978, 20653087, 41306174, 49249669, 91463671, 98499338, 182927342, 640245697, 1280491394]

約数ペア:

[(1, 1280491394), (2, 640245697), (7, 182927342), (13, 98499338), (14, 91463671), (26, 49249669), (31, 41306174), (62, 20653087), (73, 17540978), (91, 14071334), (146, 8770489), (182, 7035667), (217, 5900882), (403, 3177398), (434, 2950441), (511, 2505854), (806, 1588699), (949, 1349306), (1022, 1252927), (1898, 674653), (2263, 565838), (2821, 453914), (3109, 411866), (4526, 282919), (5642, 226957), (6218, 205933), (6643, 192758), (13286, 96379), (15841, 80834), (21763, 58838), (29419, 43526), (31682, 40417)]