243890764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7963}}^1$

素因数の和:8030

約数の個数: 48

約数和(自身を含む): 499502080

約数和(自身を除く): 255611316

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2356, 7657, 7963, 15314, 15926, 30628, 31852, 103519, 151297, 207038, 246853, 302594, 414076, 493706, 605188, 987412, 1966861, 3209089, 3933722, 4690207, 6418178, 7867444, 9380414, 12836356, 18760828, 60972691, 121945382, 243890764]

約数ペア:

[(1, 243890764), (2, 121945382), (4, 60972691), (13, 18760828), (19, 12836356), (26, 9380414), (31, 7867444), (38, 6418178), (52, 4690207), (62, 3933722), (76, 3209089), (124, 1966861), (247, 987412), (403, 605188), (494, 493706), (589, 414076), (806, 302594), (988, 246853), (1178, 207038), (1612, 151297), (2356, 103519), (7657, 31852), (7963, 30628), (15314, 15926)]