1279897216

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{769169}}^1$

素因数の和:769196

約数の個数: 32

約数和(自身を含む): 2745936900

約数和(自身を除く): 1466039684

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 769169, 1538338, 3076676, 6153352, 9999197, 12306704, 19998394, 24613408, 39996788, 49226816, 79993576, 98453632, 159987152, 319974304, 639948608, 1279897216]

約数ペア:

[(1, 1279897216), (2, 639948608), (4, 319974304), (8, 159987152), (13, 98453632), (16, 79993576), (26, 49226816), (32, 39996788), (52, 24613408), (64, 19998394), (104, 12306704), (128, 9999197), (208, 6153352), (416, 3076676), (832, 1538338), (1664, 769169)]