212372875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^2$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 314260128

約数和(自身を除く): 101887253

約数列:

[1, 5, 11, 13, 25, 55, 65, 109, 125, 143, 275, 325, 545, 715, 1199, 1375, 1417, 1625, 2725, 3575, 5995, 7085, 11881, 13625, 15587, 17875, 29975, 35425, 59405, 77935, 130691, 149875, 154453, 177125, 297025, 389675, 653455, 772265, 1485125, 1698983, 1948375, 3267275, 3861325, 8494915, 16336375, 19306625, 42474575, 212372875]

約数ペア:

[(1, 212372875), (5, 42474575), (11, 19306625), (13, 16336375), (25, 8494915), (55, 3861325), (65, 3267275), (109, 1948375), (125, 1698983), (143, 1485125), (275, 772265), (325, 653455), (545, 389675), (715, 297025), (1199, 177125), (1375, 154453), (1417, 149875), (1625, 130691), (2725, 77935), (3575, 59405), (5995, 35425), (7085, 29975), (11881, 17875), (13625, 15587)]