1280882302

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{30671}}^1$

素因数の和:30856

約数の個数: 32

約数和(自身を含む): 2326164480

約数和(自身を除く): 1045282178

約数列:

[1, 2, 7, 14, 19, 38, 133, 157, 266, 314, 1099, 2198, 2983, 5966, 20881, 30671, 41762, 61342, 214697, 429394, 582749, 1165498, 4079243, 4815347, 8158486, 9630694, 33707429, 67414858, 91491593, 182983186, 640441151, 1280882302]

約数ペア:

[(1, 1280882302), (2, 640441151), (7, 182983186), (14, 91491593), (19, 67414858), (38, 33707429), (133, 9630694), (157, 8158486), (266, 4815347), (314, 4079243), (1099, 1165498), (2198, 582749), (2983, 429394), (5966, 214697), (20881, 61342), (30671, 41762)]