16991568

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:673

約数の個数: 120

約数和(自身を含む): 55014336

約数和(自身を除く): 38022768

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 33, 34, 36, 44, 48, 51, 66, 68, 72, 88, 99, 102, 132, 136, 144, 153, 176, 187, 198, 204, 264, 272, 306, 374, 396, 408, 528, 561, 612, 631, 748, 792, 816, 1122, 1224, 1262, 1496, 1584, 1683, 1893, 2244, 2448, 2524, 2992, 3366, 3786, 4488, 5048, 5679, 6732, 6941, 7572, 8976, 10096, 10727, 11358, 13464, 13882, 15144, 20823, 21454, 22716, 26928, 27764, 30288, 32181, 41646, 42908, 45432, 55528, 62469, 64362, 83292, 85816, 90864, 96543, 111056, 117997, 124938, 128724, 166584, 171632, 193086, 235994, 249876, 257448, 333168, 353991, 386172, 471988, 499752, 514896, 707982, 772344, 943976, 999504, 1061973, 1415964, 1544688, 1887952, 2123946, 2831928, 4247892, 5663856, 8495784, 16991568]

約数ペア:

[(1, 16991568), (2, 8495784), (3, 5663856), (4, 4247892), (6, 2831928), (8, 2123946), (9, 1887952), (11, 1544688), (12, 1415964), (16, 1061973), (17, 999504), (18, 943976), (22, 772344), (24, 707982), (33, 514896), (34, 499752), (36, 471988), (44, 386172), (48, 353991), (51, 333168), (66, 257448), (68, 249876), (72, 235994), (88, 193086), (99, 171632), (102, 166584), (132, 128724), (136, 124938), (144, 117997), (153, 111056), (176, 96543), (187, 90864), (198, 85816), (204, 83292), (264, 64362), (272, 62469), (306, 55528), (374, 45432), (396, 42908), (408, 41646), (528, 32181), (561, 30288), (612, 27764), (631, 26928), (748, 22716), (792, 21454), (816, 20823), (1122, 15144), (1224, 13882), (1262, 13464), (1496, 11358), (1584, 10727), (1683, 10096), (1893, 8976), (2244, 7572), (2448, 6941), (2524, 6732), (2992, 5679), (3366, 5048), (3786, 4488)]