1282178690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{124847}}^1$

素因数の和:124946

約数の個数: 32

約数和(自身を含む): 2516935680

約数和(自身を除く): 1234756990

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 124847, 249694, 624235, 1248470, 1623011, 3246022, 8115055, 9862913, 16230110, 19725826, 49314565, 98629130, 128217869, 256435738, 641089345, 1282178690]

約数ペア:

[(1, 1282178690), (2, 641089345), (5, 256435738), (10, 128217869), (13, 98629130), (26, 49314565), (65, 19725826), (79, 16230110), (130, 9862913), (158, 8115055), (395, 3246022), (790, 1623011), (1027, 1248470), (2054, 624235), (5135, 249694), (10270, 124847)]