138258512

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{39821}}^1$

素因数の和:39867

約数の個数: 40

約数和(自身を含む): 316027392

約数和(自身を除く): 177768880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 39821, 79642, 159284, 278747, 318568, 557494, 637136, 1114988, 1234451, 2229976, 2468902, 4459952, 4937804, 8641157, 9875608, 17282314, 19751216, 34564628, 69129256, 138258512]

約数ペア:

[(1, 138258512), (2, 69129256), (4, 34564628), (7, 19751216), (8, 17282314), (14, 9875608), (16, 8641157), (28, 4937804), (31, 4459952), (56, 2468902), (62, 2229976), (112, 1234451), (124, 1114988), (217, 637136), (248, 557494), (434, 318568), (496, 278747), (868, 159284), (1736, 79642), (3472, 39821)]