189968155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4099}}^1$

素因数の和:4171

約数の個数: 32

約数和(自身を含む): 264499200

約数和(自身を除く): 74531045

約数列:

[1, 5, 13, 23, 31, 65, 115, 155, 299, 403, 713, 1495, 2015, 3565, 4099, 9269, 20495, 46345, 53287, 94277, 127069, 266435, 471385, 635345, 1225601, 1651897, 2922587, 6128005, 8259485, 14612935, 37993631, 189968155]

約数ペア:

[(1, 189968155), (5, 37993631), (13, 14612935), (23, 8259485), (31, 6128005), (65, 2922587), (115, 1651897), (155, 1225601), (299, 635345), (403, 471385), (713, 266435), (1495, 127069), (2015, 94277), (3565, 53287), (4099, 46345), (9269, 20495)]