388555244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1099

約数の個数: 96

約数和(自身を含む): 906608640

約数和(自身を除く): 518053396

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 67, 76, 77, 133, 134, 154, 209, 266, 268, 308, 418, 469, 532, 737, 836, 938, 991, 1273, 1463, 1474, 1876, 1982, 2546, 2926, 2948, 3964, 5092, 5159, 5852, 6937, 8911, 10318, 10901, 13874, 14003, 17822, 18829, 20636, 21802, 27748, 28006, 35644, 37658, 43604, 56012, 66397, 75316, 76307, 98021, 131803, 132794, 152614, 196042, 207119, 263606, 265588, 305228, 392084, 414238, 464779, 527212, 730367, 828476, 929558, 1261543, 1449833, 1460734, 1859116, 2523086, 2899666, 2921468, 5046172, 5112569, 5799332, 8830801, 10225138, 13876973, 17661602, 20450276, 27753946, 35323204, 55507892, 97138811, 194277622, 388555244]

約数ペア:

[(1, 388555244), (2, 194277622), (4, 97138811), (7, 55507892), (11, 35323204), (14, 27753946), (19, 20450276), (22, 17661602), (28, 13876973), (38, 10225138), (44, 8830801), (67, 5799332), (76, 5112569), (77, 5046172), (133, 2921468), (134, 2899666), (154, 2523086), (209, 1859116), (266, 1460734), (268, 1449833), (308, 1261543), (418, 929558), (469, 828476), (532, 730367), (737, 527212), (836, 464779), (938, 414238), (991, 392084), (1273, 305228), (1463, 265588), (1474, 263606), (1876, 207119), (1982, 196042), (2546, 152614), (2926, 132794), (2948, 131803), (3964, 98021), (5092, 76307), (5159, 75316), (5852, 66397), (6937, 56012), (8911, 43604), (10318, 37658), (10901, 35644), (13874, 28006), (14003, 27748), (17822, 21802), (18829, 20636)]