28780004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{6113}}^1$

素因数の和:6235

約数の個数: 24

約数和(自身を含む): 55466208

約数和(自身を除く): 26686204

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4708, 6113, 12226, 24452, 67243, 134486, 268972, 654091, 1308182, 2616364, 7195001, 14390002, 28780004]

約数ペア:

[(1, 28780004), (2, 14390002), (4, 7195001), (11, 2616364), (22, 1308182), (44, 654091), (107, 268972), (214, 134486), (428, 67243), (1177, 24452), (2354, 12226), (4708, 6113)]