1998768744

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{77761}}^1$

素因数の和:77800

約数の個数: 128

約数和(自身を含む): 6718636800

約数和(自身を除く): 4719868056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 84, 102, 108, 119, 126, 136, 153, 168, 189, 204, 216, 238, 252, 306, 357, 378, 408, 459, 476, 504, 612, 714, 756, 918, 952, 1071, 1224, 1428, 1512, 1836, 2142, 2856, 3213, 3672, 4284, 6426, 8568, 12852, 25704, 77761, 155522, 233283, 311044, 466566, 544327, 622088, 699849, 933132, 1088654, 1321937, 1399698, 1632981, 1866264, 2099547, 2177308, 2643874, 2799396, 3265962, 3965811, 4199094, 4354616, 4898943, 5287748, 5598792, 6531924, 7931622, 8398188, 9253559, 9797886, 10575496, 11897433, 13063848, 14696829, 15863244, 16796376, 18507118, 19595772, 23794866, 27760677, 29393658, 31726488, 35692299, 37014236, 39191544, 47589732, 55521354, 58787316, 71384598, 74028472, 83282031, 95179464, 111042708, 117574632, 142769196, 166564062, 222085416, 249846093, 285538392, 333128124, 499692186, 666256248, 999384372, 1998768744]

約数ペア:

[(1, 1998768744), (2, 999384372), (3, 666256248), (4, 499692186), (6, 333128124), (7, 285538392), (8, 249846093), (9, 222085416), (12, 166564062), (14, 142769196), (17, 117574632), (18, 111042708), (21, 95179464), (24, 83282031), (27, 74028472), (28, 71384598), (34, 58787316), (36, 55521354), (42, 47589732), (51, 39191544), (54, 37014236), (56, 35692299), (63, 31726488), (68, 29393658), (72, 27760677), (84, 23794866), (102, 19595772), (108, 18507118), (119, 16796376), (126, 15863244), (136, 14696829), (153, 13063848), (168, 11897433), (189, 10575496), (204, 9797886), (216, 9253559), (238, 8398188), (252, 7931622), (306, 6531924), (357, 5598792), (378, 5287748), (408, 4898943), (459, 4354616), (476, 4199094), (504, 3965811), (612, 3265962), (714, 2799396), (756, 2643874), (918, 2177308), (952, 2099547), (1071, 1866264), (1224, 1632981), (1428, 1399698), (1512, 1321937), (1836, 1088654), (2142, 933132), (2856, 699849), (3213, 622088), (3672, 544327), (4284, 466566), (6426, 311044), (8568, 233283), (12852, 155522), (25704, 77761)]