256152008

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 585066240

約数和(自身を除く): 328914232

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 107, 124, 196, 197, 214, 217, 248, 392, 394, 428, 434, 749, 788, 856, 868, 1379, 1498, 1519, 1576, 1736, 2758, 2996, 3038, 3317, 5243, 5516, 5992, 6076, 6107, 6634, 9653, 10486, 11032, 12152, 12214, 13268, 19306, 20972, 21079, 23219, 24428, 26536, 38612, 41944, 42158, 42749, 46438, 48856, 77224, 84316, 85498, 92876, 147553, 162533, 168632, 170996, 185752, 295106, 299243, 325066, 341992, 590212, 598486, 650132, 653449, 1032871, 1180424, 1196972, 1300264, 1306898, 2065742, 2393944, 2613796, 4131484, 4574143, 5227592, 8262968, 9148286, 18296572, 32019001, 36593144, 64038002, 128076004, 256152008]

約数ペア:

[(1, 256152008), (2, 128076004), (4, 64038002), (7, 36593144), (8, 32019001), (14, 18296572), (28, 9148286), (31, 8262968), (49, 5227592), (56, 4574143), (62, 4131484), (98, 2613796), (107, 2393944), (124, 2065742), (196, 1306898), (197, 1300264), (214, 1196972), (217, 1180424), (248, 1032871), (392, 653449), (394, 650132), (428, 598486), (434, 590212), (749, 341992), (788, 325066), (856, 299243), (868, 295106), (1379, 185752), (1498, 170996), (1519, 168632), (1576, 162533), (1736, 147553), (2758, 92876), (2996, 85498), (3038, 84316), (3317, 77224), (5243, 48856), (5516, 46438), (5992, 42749), (6076, 42158), (6107, 41944), (6634, 38612), (9653, 26536), (10486, 24428), (11032, 23219), (12152, 21079), (12214, 20972), (13268, 19306)]