778899342

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 1812585600

約数和(自身を除く): 1033686258

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 53, 58, 73, 78, 87, 89, 106, 146, 159, 174, 178, 219, 267, 318, 377, 438, 534, 689, 754, 949, 1131, 1157, 1378, 1537, 1898, 2067, 2117, 2262, 2314, 2581, 2847, 3074, 3471, 3869, 4134, 4234, 4611, 4717, 5162, 5694, 6351, 6497, 6942, 7738, 7743, 9222, 9434, 11607, 12702, 12994, 14151, 15486, 19491, 19981, 23214, 27521, 28302, 33553, 38982, 39962, 50297, 55042, 59943, 61321, 67106, 82563, 84461, 100594, 100659, 112201, 119886, 122642, 136793, 150891, 165126, 168922, 183963, 188413, 201318, 224402, 253383, 273586, 301782, 336603, 344341, 367926, 376826, 410379, 506766, 565239, 673206, 688682, 820758, 1033023, 1130478, 1458613, 1778309, 2066046, 2449369, 2917226, 3556618, 4375839, 4476433, 4898738, 5334927, 7348107, 8751678, 8952866, 9985889, 10669854, 13429299, 14696214, 19971778, 26858598, 29957667, 59915334, 129816557, 259633114, 389449671, 778899342]

約数ペア:

[(1, 778899342), (2, 389449671), (3, 259633114), (6, 129816557), (13, 59915334), (26, 29957667), (29, 26858598), (39, 19971778), (53, 14696214), (58, 13429299), (73, 10669854), (78, 9985889), (87, 8952866), (89, 8751678), (106, 7348107), (146, 5334927), (159, 4898738), (174, 4476433), (178, 4375839), (219, 3556618), (267, 2917226), (318, 2449369), (377, 2066046), (438, 1778309), (534, 1458613), (689, 1130478), (754, 1033023), (949, 820758), (1131, 688682), (1157, 673206), (1378, 565239), (1537, 506766), (1898, 410379), (2067, 376826), (2117, 367926), (2262, 344341), (2314, 336603), (2581, 301782), (2847, 273586), (3074, 253383), (3471, 224402), (3869, 201318), (4134, 188413), (4234, 183963), (4611, 168922), (4717, 165126), (5162, 150891), (5694, 136793), (6351, 122642), (6497, 119886), (6942, 112201), (7738, 100659), (7743, 100594), (9222, 84461), (9434, 82563), (11607, 67106), (12702, 61321), (12994, 59943), (14151, 55042), (15486, 50297), (19491, 39962), (19981, 38982), (23214, 33553), (27521, 28302)]