161632810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{12697}}^1$

素因数の和:12790

約数の個数: 32

約数和(自身を含む): 310847040

約数和(自身を除く): 149214230

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 2546, 6365, 12697, 12730, 25394, 63485, 126970, 241243, 482486, 850699, 1206215, 1701398, 2412430, 4253495, 8506990, 16163281, 32326562, 80816405, 161632810]

約数ペア:

[(1, 161632810), (2, 80816405), (5, 32326562), (10, 16163281), (19, 8506990), (38, 4253495), (67, 2412430), (95, 1701398), (134, 1206215), (190, 850699), (335, 482486), (670, 241243), (1273, 126970), (2546, 63485), (6365, 25394), (12697, 12730)]