28259476

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4651}}^1$

素因数の和:4700

約数の個数: 36

約数和(自身を含む): 59396736

約数和(自身を除く): 31137260

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 4651, 6076, 9302, 18604, 32557, 65114, 130228, 144181, 227899, 288362, 455798, 576724, 911596, 1009267, 2018534, 4037068, 7064869, 14129738, 28259476]

約数ペア:

[(1, 28259476), (2, 14129738), (4, 7064869), (7, 4037068), (14, 2018534), (28, 1009267), (31, 911596), (49, 576724), (62, 455798), (98, 288362), (124, 227899), (196, 144181), (217, 130228), (434, 65114), (868, 32557), (1519, 18604), (3038, 9302), (4651, 6076)]