28150108

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 61133184

約数和(自身を除く): 32983076

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 49, 62, 82, 98, 113, 124, 164, 196, 217, 226, 287, 434, 452, 574, 791, 868, 1148, 1271, 1519, 1582, 2009, 2542, 3038, 3164, 3503, 4018, 4633, 5084, 5537, 6076, 7006, 8036, 8897, 9266, 11074, 14012, 17794, 18532, 22148, 24521, 32431, 35588, 49042, 62279, 64862, 98084, 124558, 129724, 143623, 171647, 227017, 249116, 287246, 343294, 454034, 574492, 686588, 908068, 1005361, 2010722, 4021444, 7037527, 14075054, 28150108]

約数ペア:

[(1, 28150108), (2, 14075054), (4, 7037527), (7, 4021444), (14, 2010722), (28, 1005361), (31, 908068), (41, 686588), (49, 574492), (62, 454034), (82, 343294), (98, 287246), (113, 249116), (124, 227017), (164, 171647), (196, 143623), (217, 129724), (226, 124558), (287, 98084), (434, 64862), (452, 62279), (574, 49042), (791, 35588), (868, 32431), (1148, 24521), (1271, 22148), (1519, 18532), (1582, 17794), (2009, 14012), (2542, 11074), (3038, 9266), (3164, 8897), (3503, 8036), (4018, 7006), (4633, 6076), (5084, 5537)]