218702988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20183}}^1$

素因数の和:20243

約数の個数: 72

約数和(自身を含む): 646533888

約数和(自身を除く): 427830900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 10836, 20183, 40366, 60549, 80732, 121098, 141281, 181647, 242196, 282562, 363294, 423843, 565124, 726588, 847686, 867869, 1271529, 1695372, 1735738, 2543058, 2603607, 3471476, 5086116, 5207214, 6075083, 7810821, 10414428, 12150166, 15621642, 18225249, 24300332, 31243284, 36450498, 54675747, 72900996, 109351494, 218702988]

約数ペア:

[(1, 218702988), (2, 109351494), (3, 72900996), (4, 54675747), (6, 36450498), (7, 31243284), (9, 24300332), (12, 18225249), (14, 15621642), (18, 12150166), (21, 10414428), (28, 7810821), (36, 6075083), (42, 5207214), (43, 5086116), (63, 3471476), (84, 2603607), (86, 2543058), (126, 1735738), (129, 1695372), (172, 1271529), (252, 867869), (258, 847686), (301, 726588), (387, 565124), (516, 423843), (602, 363294), (774, 282562), (903, 242196), (1204, 181647), (1548, 141281), (1806, 121098), (2709, 80732), (3612, 60549), (5418, 40366), (10836, 20183)]