2181004904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{313003}}^1$

素因数の和:313089

約数の個数: 32

約数和(自身を含む): 4469697120

約数和(自身を除く): 2288692216

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 313003, 626006, 1252012, 2504024, 4069039, 8138078, 16276156, 20971201, 32552312, 41942402, 83884804, 167769608, 272625613, 545251226, 1090502452, 2181004904]

約数ペア:

[(1, 2181004904), (2, 1090502452), (4, 545251226), (8, 272625613), (13, 167769608), (26, 83884804), (52, 41942402), (67, 32552312), (104, 20971201), (134, 16276156), (268, 8138078), (536, 4069039), (871, 2504024), (1742, 1252012), (3484, 626006), (6968, 313003)]