1639779895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1\times {\mathrm{1303}}^1$

素因数の和:2359

約数の個数: 32

約数和(自身を含む): 2234534400

約数和(自身を除く): 594754505

約数列:

[1, 5, 13, 19, 65, 95, 247, 1019, 1235, 1303, 5095, 6515, 13247, 16939, 19361, 24757, 66235, 84695, 96805, 123785, 251693, 321841, 1258465, 1327757, 1609205, 6638785, 17260841, 25227383, 86304205, 126136915, 327955979, 1639779895]

約数ペア:

[(1, 1639779895), (5, 327955979), (13, 126136915), (19, 86304205), (65, 25227383), (95, 17260841), (247, 6638785), (1019, 1609205), (1235, 1327757), (1303, 1258465), (5095, 321841), (6515, 251693), (13247, 123785), (16939, 96805), (19361, 84695), (24757, 66235)]