28553812

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 60963840

約数和(自身を除く): 32410028

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 223, 238, 269, 446, 476, 538, 892, 1076, 1561, 1883, 3122, 3766, 3791, 4573, 6244, 7532, 7582, 9146, 15164, 18292, 26537, 32011, 53074, 59987, 64022, 106148, 119974, 128044, 239948, 419909, 839818, 1019779, 1679636, 2039558, 4079116, 7138453, 14276906, 28553812]

約数ペア:

[(1, 28553812), (2, 14276906), (4, 7138453), (7, 4079116), (14, 2039558), (17, 1679636), (28, 1019779), (34, 839818), (68, 419909), (119, 239948), (223, 128044), (238, 119974), (269, 106148), (446, 64022), (476, 59987), (538, 53074), (892, 32011), (1076, 26537), (1561, 18292), (1883, 15164), (3122, 9146), (3766, 7582), (3791, 7532), (4573, 6244)]