22440187

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 31518720

約数和(自身を除く): 9078533

約数列:

[1, 7, 11, 17, 31, 49, 77, 79, 119, 187, 217, 341, 527, 539, 553, 833, 869, 1309, 1343, 1519, 2387, 2449, 3689, 3871, 5797, 6083, 9163, 9401, 14773, 16709, 17143, 25823, 26939, 40579, 41633, 42581, 65807, 103411, 120001, 188573, 284053, 291431, 457963, 723877, 1320011, 2040017, 3205741, 22440187]

約数ペア:

[(1, 22440187), (7, 3205741), (11, 2040017), (17, 1320011), (31, 723877), (49, 457963), (77, 291431), (79, 284053), (119, 188573), (187, 120001), (217, 103411), (341, 65807), (527, 42581), (539, 41633), (553, 40579), (833, 26939), (869, 25823), (1309, 17143), (1343, 16709), (1519, 14773), (2387, 9401), (2449, 9163), (3689, 6083), (3871, 5797)]