1221000444

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{6691}}^1$

素因数の和:6875

約数の個数: 72

約数和(自身を含む): 3193449168

約数和(自身を除く): 1972448724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 137, 148, 222, 274, 333, 411, 444, 548, 666, 822, 1233, 1332, 1644, 2466, 4932, 5069, 6691, 10138, 13382, 15207, 20073, 20276, 26764, 30414, 40146, 45621, 60219, 60828, 80292, 91242, 120438, 182484, 240876, 247567, 495134, 742701, 916667, 990268, 1485402, 1833334, 2228103, 2750001, 2970804, 3666668, 4456206, 5500002, 8250003, 8912412, 11000004, 16500006, 33000012, 33916679, 67833358, 101750037, 135666716, 203500074, 305250111, 407000148, 610500222, 1221000444]

約数ペア:

[(1, 1221000444), (2, 610500222), (3, 407000148), (4, 305250111), (6, 203500074), (9, 135666716), (12, 101750037), (18, 67833358), (36, 33916679), (37, 33000012), (74, 16500006), (111, 11000004), (137, 8912412), (148, 8250003), (222, 5500002), (274, 4456206), (333, 3666668), (411, 2970804), (444, 2750001), (548, 2228103), (666, 1833334), (822, 1485402), (1233, 990268), (1332, 916667), (1644, 742701), (2466, 495134), (4932, 247567), (5069, 240876), (6691, 182484), (10138, 120438), (13382, 91242), (15207, 80292), (20073, 60828), (20276, 60219), (26764, 45621), (30414, 40146)]