221984028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{51817}}^1$

素因数の和:51851

約数の個数: 72

約数和(自身を含む): 679023072

約数和(自身を除く): 457039044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 51817, 103634, 155451, 207268, 310902, 362719, 466353, 621804, 725438, 880889, 932706, 1088157, 1450876, 1761778, 1865412, 2176314, 2642667, 3264471, 3523556, 4352628, 5285334, 6166223, 6528942, 7928001, 10570668, 12332446, 13057884, 15856002, 18498669, 24664892, 31712004, 36997338, 55496007, 73994676, 110992014, 221984028]

約数ペア:

[(1, 221984028), (2, 110992014), (3, 73994676), (4, 55496007), (6, 36997338), (7, 31712004), (9, 24664892), (12, 18498669), (14, 15856002), (17, 13057884), (18, 12332446), (21, 10570668), (28, 7928001), (34, 6528942), (36, 6166223), (42, 5285334), (51, 4352628), (63, 3523556), (68, 3264471), (84, 2642667), (102, 2176314), (119, 1865412), (126, 1761778), (153, 1450876), (204, 1088157), (238, 932706), (252, 880889), (306, 725438), (357, 621804), (476, 466353), (612, 362719), (714, 310902), (1071, 207268), (1428, 155451), (2142, 103634), (4284, 51817)]