78213174

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 177085440

約数和(自身を除く): 98872266

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 71, 78, 87, 142, 174, 213, 377, 426, 487, 754, 923, 974, 1131, 1461, 1846, 2059, 2262, 2769, 2922, 4118, 5538, 6177, 6331, 12354, 12662, 14123, 18993, 26767, 28246, 34577, 37986, 42369, 53534, 69154, 80301, 84738, 103731, 160602, 183599, 207462, 367198, 449501, 550797, 899002, 1002733, 1101594, 1348503, 2005466, 2697006, 3008199, 6016398, 13035529, 26071058, 39106587, 78213174]

約数ペア:

[(1, 78213174), (2, 39106587), (3, 26071058), (6, 13035529), (13, 6016398), (26, 3008199), (29, 2697006), (39, 2005466), (58, 1348503), (71, 1101594), (78, 1002733), (87, 899002), (142, 550797), (174, 449501), (213, 367198), (377, 207462), (426, 183599), (487, 160602), (754, 103731), (923, 84738), (974, 80301), (1131, 69154), (1461, 53534), (1846, 42369), (2059, 37986), (2262, 34577), (2769, 28246), (2922, 26767), (4118, 18993), (5538, 14123), (6177, 12662), (6331, 12354)]