161728798

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1853

約数の個数: 64

約数和(自身を含む): 328826880

約数和(自身を除く): 167098082

約数列:

[1, 2, 7, 11, 14, 19, 22, 31, 38, 62, 77, 133, 154, 209, 217, 266, 341, 418, 434, 589, 682, 1178, 1463, 1783, 2387, 2926, 3566, 4123, 4774, 6479, 8246, 12481, 12958, 19613, 24962, 33877, 39226, 45353, 55273, 67754, 90706, 110546, 137291, 237139, 274582, 372647, 386911, 474278, 608003, 745294, 773822, 1050187, 1216006, 2100374, 2608529, 4256021, 5217058, 7351309, 8512042, 11552057, 14702618, 23104114, 80864399, 161728798]

約数ペア:

[(1, 161728798), (2, 80864399), (7, 23104114), (11, 14702618), (14, 11552057), (19, 8512042), (22, 7351309), (31, 5217058), (38, 4256021), (62, 2608529), (77, 2100374), (133, 1216006), (154, 1050187), (209, 773822), (217, 745294), (266, 608003), (341, 474278), (418, 386911), (434, 372647), (589, 274582), (682, 237139), (1178, 137291), (1463, 110546), (1783, 90706), (2387, 67754), (2926, 55273), (3566, 45353), (4123, 39226), (4774, 33877), (6479, 24962), (8246, 19613), (12481, 12958)]