178889396

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 378261576

約数和(自身を除く): 199372180

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 113, 164, 196, 197, 226, 287, 394, 452, 574, 788, 791, 1148, 1379, 1582, 2009, 2758, 3164, 4018, 4633, 5516, 5537, 8036, 8077, 9266, 9653, 11074, 16154, 18532, 19306, 22148, 22261, 32308, 32431, 38612, 44522, 56539, 64862, 89044, 113078, 129724, 155827, 226156, 227017, 311654, 395773, 454034, 623308, 791546, 908068, 912701, 1090789, 1583092, 1825402, 2181578, 3650804, 4363156, 6388907, 12777814, 25555628, 44722349, 89444698, 178889396]

約数ペア:

[(1, 178889396), (2, 89444698), (4, 44722349), (7, 25555628), (14, 12777814), (28, 6388907), (41, 4363156), (49, 3650804), (82, 2181578), (98, 1825402), (113, 1583092), (164, 1090789), (196, 912701), (197, 908068), (226, 791546), (287, 623308), (394, 454034), (452, 395773), (574, 311654), (788, 227017), (791, 226156), (1148, 155827), (1379, 129724), (1582, 113078), (2009, 89044), (2758, 64862), (3164, 56539), (4018, 44522), (4633, 38612), (5516, 32431), (5537, 32308), (8036, 22261), (8077, 22148), (9266, 19306), (9653, 18532), (11074, 16154)]