664549136

素因数分解:

$2^4\times {\mathrm{5233}}^1\times {\mathrm{7937}}^1$

素因数の和:13178

約数の個数: 20

約数和(自身を含む): 1287972252

約数和(自身を除く): 623423116

約数列:

[1, 2, 4, 8, 16, 5233, 7937, 10466, 15874, 20932, 31748, 41864, 63496, 83728, 126992, 41534321, 83068642, 166137284, 332274568, 664549136]

約数ペア:

[(1, 664549136), (2, 332274568), (4, 166137284), (8, 83068642), (16, 41534321), (5233, 126992), (7937, 83728), (10466, 63496), (15874, 41864), (20932, 31748)]