28780455634

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1004273}}^1$

素因数の和:1004394

約数の個数: 32

約数和(自身を含む): 52061564160

約数和(自身を除く): 23281108526

約数列:

[1, 2, 7, 14, 23, 46, 89, 161, 178, 322, 623, 1246, 2047, 4094, 14329, 28658, 1004273, 2008546, 7029911, 14059822, 23098279, 46196558, 89380297, 161687953, 178760594, 323375906, 625662079, 1251324158, 2055746831, 4111493662, 14390227817, 28780455634]

約数ペア:

[(1, 28780455634), (2, 14390227817), (7, 4111493662), (14, 2055746831), (23, 1251324158), (46, 625662079), (89, 323375906), (161, 178760594), (178, 161687953), (322, 89380297), (623, 46196558), (1246, 23098279), (2047, 14059822), (4094, 7029911), (14329, 2008546), (28658, 1004273)]