28942165

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 41863680

約数和(自身を除く): 12921515

約数列:

[1, 5, 7, 23, 35, 115, 157, 161, 229, 785, 805, 1099, 1145, 1603, 3611, 5267, 5495, 8015, 18055, 25277, 26335, 35953, 36869, 126385, 179765, 184345, 251671, 826919, 1258355, 4134595, 5788433, 28942165]

約数ペア:

[(1, 28942165), (5, 5788433), (7, 4134595), (23, 1258355), (35, 826919), (115, 251671), (157, 184345), (161, 179765), (229, 126385), (785, 36869), (805, 35953), (1099, 26335), (1145, 25277), (1603, 18055), (3611, 8015), (5267, 5495)]