16681644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1319

約数の個数: 72

約数和(自身を含む): 49140000

約数和(自身を除く): 32458356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1249, 1484, 1908, 2226, 2498, 3339, 3747, 4452, 4996, 6678, 7494, 8743, 11241, 13356, 14988, 17486, 22482, 26229, 34972, 44964, 52458, 66197, 78687, 104916, 132394, 157374, 198591, 264788, 314748, 397182, 463379, 595773, 794364, 926758, 1191546, 1390137, 1853516, 2383092, 2780274, 4170411, 5560548, 8340822, 16681644]

約数ペア:

[(1, 16681644), (2, 8340822), (3, 5560548), (4, 4170411), (6, 2780274), (7, 2383092), (9, 1853516), (12, 1390137), (14, 1191546), (18, 926758), (21, 794364), (28, 595773), (36, 463379), (42, 397182), (53, 314748), (63, 264788), (84, 198591), (106, 157374), (126, 132394), (159, 104916), (212, 78687), (252, 66197), (318, 52458), (371, 44964), (477, 34972), (636, 26229), (742, 22482), (954, 17486), (1113, 14988), (1249, 13356), (1484, 11241), (1908, 8743), (2226, 7494), (2498, 6678), (3339, 4996), (3747, 4452)]