166400975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 235109952

約数和(自身を除く): 68708977

約数列:

[1, 5, 13, 23, 25, 65, 113, 115, 197, 299, 325, 565, 575, 985, 1469, 1495, 2561, 2599, 2825, 4531, 4925, 7345, 7475, 12805, 12995, 22261, 22655, 33787, 36725, 58903, 64025, 64975, 111305, 113275, 168935, 289393, 294515, 512003, 556525, 844675, 1446965, 1472575, 2560015, 6656039, 7234825, 12800075, 33280195, 166400975]

約数ペア:

[(1, 166400975), (5, 33280195), (13, 12800075), (23, 7234825), (25, 6656039), (65, 2560015), (113, 1472575), (115, 1446965), (197, 844675), (299, 556525), (325, 512003), (565, 294515), (575, 289393), (985, 168935), (1469, 113275), (1495, 111305), (2561, 64975), (2599, 64025), (2825, 58903), (4531, 36725), (4925, 33787), (7345, 22655), (7475, 22261), (12805, 12995)]