263188190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{2161}}^1$

素因数の和:2828

約数の個数: 32

約数和(自身を含む): 499681440

約数和(自身を除く): 236493250

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 641, 1282, 2161, 3205, 4322, 6410, 10805, 12179, 21610, 24358, 41059, 60895, 82118, 121790, 205295, 410590, 1385201, 2770402, 6926005, 13852010, 26318819, 52637638, 131594095, 263188190]

約数ペア:

[(1, 263188190), (2, 131594095), (5, 52637638), (10, 26318819), (19, 13852010), (38, 6926005), (95, 2770402), (190, 1385201), (641, 410590), (1282, 205295), (2161, 121790), (3205, 82118), (4322, 60895), (6410, 41059), (10805, 24358), (12179, 21610)]