266423421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 425502720

約数和(自身を除く): 159079299

約数列:

[1, 3, 11, 23, 33, 37, 53, 69, 111, 159, 179, 253, 407, 537, 583, 759, 851, 1219, 1221, 1749, 1961, 1969, 2553, 3657, 4117, 5883, 5907, 6623, 9361, 9487, 12351, 13409, 19869, 21571, 28083, 28461, 40227, 45103, 45287, 64713, 72853, 104357, 135309, 135861, 152329, 218201, 218559, 313071, 351019, 456987, 496133, 654603, 1053057, 1488399, 1675619, 2400211, 3861209, 5026857, 7200633, 8073437, 11583627, 24220311, 88807807, 266423421]

約数ペア:

[(1, 266423421), (3, 88807807), (11, 24220311), (23, 11583627), (33, 8073437), (37, 7200633), (53, 5026857), (69, 3861209), (111, 2400211), (159, 1675619), (179, 1488399), (253, 1053057), (407, 654603), (537, 496133), (583, 456987), (759, 351019), (851, 313071), (1219, 218559), (1221, 218201), (1749, 152329), (1961, 135861), (1969, 135309), (2553, 104357), (3657, 72853), (4117, 64713), (5883, 45287), (5907, 45103), (6623, 40227), (9361, 28461), (9487, 28083), (12351, 21571), (13409, 19869)]