28709436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2609}}^1$

素因数の和:2754

約数の個数: 48

約数和(自身を含む): 77172480

約数和(自身を除く): 48463044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 393, 524, 786, 917, 1572, 1834, 2609, 2751, 3668, 5218, 5502, 7827, 10436, 11004, 15654, 18263, 31308, 36526, 54789, 73052, 109578, 219156, 341779, 683558, 1025337, 1367116, 2050674, 2392453, 4101348, 4784906, 7177359, 9569812, 14354718, 28709436]

約数ペア:

[(1, 28709436), (2, 14354718), (3, 9569812), (4, 7177359), (6, 4784906), (7, 4101348), (12, 2392453), (14, 2050674), (21, 1367116), (28, 1025337), (42, 683558), (84, 341779), (131, 219156), (262, 109578), (393, 73052), (524, 54789), (786, 36526), (917, 31308), (1572, 18263), (1834, 15654), (2609, 11004), (2751, 10436), (3668, 7827), (5218, 5502)]