245901474

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 678881280

約数和(自身を除く): 432979806

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 163, 182, 189, 234, 273, 307, 326, 351, 378, 489, 546, 614, 702, 819, 921, 978, 1141, 1467, 1638, 1842, 2119, 2149, 2282, 2457, 2763, 2934, 3423, 3991, 4238, 4298, 4401, 4914, 5526, 6357, 6447, 6846, 7982, 8289, 8802, 10269, 11973, 12714, 12894, 14833, 16578, 19071, 19341, 20538, 23946, 27937, 29666, 30807, 35919, 38142, 38682, 44499, 50041, 55874, 57213, 58023, 61614, 71838, 83811, 88998, 100082, 107757, 114426, 116046, 133497, 150123, 167622, 215514, 251433, 266994, 300246, 350287, 400491, 450369, 502866, 650533, 700574, 754299, 800982, 900738, 1050861, 1301066, 1351107, 1508598, 1951599, 2101722, 2702214, 3152583, 3903198, 4553731, 5854797, 6305166, 9107462, 9457749, 11709594, 13661193, 17564391, 18915498, 27322386, 35128782, 40983579, 81967158, 122950737, 245901474]

約数ペア:

[(1, 245901474), (2, 122950737), (3, 81967158), (6, 40983579), (7, 35128782), (9, 27322386), (13, 18915498), (14, 17564391), (18, 13661193), (21, 11709594), (26, 9457749), (27, 9107462), (39, 6305166), (42, 5854797), (54, 4553731), (63, 3903198), (78, 3152583), (91, 2702214), (117, 2101722), (126, 1951599), (163, 1508598), (182, 1351107), (189, 1301066), (234, 1050861), (273, 900738), (307, 800982), (326, 754299), (351, 700574), (378, 650533), (489, 502866), (546, 450369), (614, 400491), (702, 350287), (819, 300246), (921, 266994), (978, 251433), (1141, 215514), (1467, 167622), (1638, 150123), (1842, 133497), (2119, 116046), (2149, 114426), (2282, 107757), (2457, 100082), (2763, 88998), (2934, 83811), (3423, 71838), (3991, 61614), (4238, 58023), (4298, 57213), (4401, 55874), (4914, 50041), (5526, 44499), (6357, 38682), (6447, 38142), (6846, 35919), (7982, 30807), (8289, 29666), (8802, 27937), (10269, 23946), (11973, 20538), (12714, 19341), (12894, 19071), (14833, 16578)]