1640672435181

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1193}}^1\times {\mathrm{9421}}^1$

素因数の和:10846

約数の個数: 64

約数和(自身を含む): 2494770727680

約数和(自身を除く): 854098292499

約数列:

[1, 3, 13, 19, 39, 57, 197, 247, 591, 741, 1193, 2561, 3579, 3743, 7683, 9421, 11229, 15509, 22667, 28263, 46527, 48659, 68001, 122473, 145977, 178999, 235021, 294671, 367419, 536997, 705063, 884013, 1855937, 2326987, 3055273, 4465399, 5567811, 6980961, 9165819, 11239253, 13396197, 24127181, 33717759, 35262803, 58050187, 72381543, 105788409, 146110289, 174150561, 213545807, 438330867, 458416439, 640637421, 1375249317, 2214132841, 2776095491, 6642398523, 8328286473, 28783726933, 42068523979, 86351180799, 126205571937, 546890811727, 1640672435181]

約数ペア:

[(1, 1640672435181), (3, 546890811727), (13, 126205571937), (19, 86351180799), (39, 42068523979), (57, 28783726933), (197, 8328286473), (247, 6642398523), (591, 2776095491), (741, 2214132841), (1193, 1375249317), (2561, 640637421), (3579, 458416439), (3743, 438330867), (7683, 213545807), (9421, 174150561), (11229, 146110289), (15509, 105788409), (22667, 72381543), (28263, 58050187), (46527, 35262803), (48659, 33717759), (68001, 24127181), (122473, 13396197), (145977, 11239253), (178999, 9165819), (235021, 6980961), (294671, 5567811), (367419, 4465399), (536997, 3055273), (705063, 2326987), (884013, 1855937)]