28390714

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 50791104

約数和(自身を除く): 22400390

約数列:

[1, 2, 11, 17, 22, 34, 67, 103, 121, 134, 187, 206, 242, 374, 737, 1133, 1139, 1474, 1751, 2057, 2266, 2278, 3502, 4114, 6901, 8107, 12463, 12529, 13802, 16214, 19261, 24926, 25058, 38522, 75911, 117317, 137819, 151822, 211871, 234634, 275638, 423742, 835021, 1290487, 1670042, 2580974, 14195357, 28390714]

約数ペア:

[(1, 28390714), (2, 14195357), (11, 2580974), (17, 1670042), (22, 1290487), (34, 835021), (67, 423742), (103, 275638), (121, 234634), (134, 211871), (187, 151822), (206, 137819), (242, 117317), (374, 75911), (737, 38522), (1133, 25058), (1139, 24926), (1474, 19261), (1751, 16214), (2057, 13802), (2266, 12529), (2278, 12463), (3502, 8107), (4114, 6901)]