1239354704

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{727}}^1$

素因数の和:1264

約数の個数: 80

約数和(自身を含む): 2842484736

約数和(自身を除く): 1603130032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 491, 496, 727, 868, 982, 1454, 1736, 1964, 2908, 3437, 3472, 3928, 5089, 5816, 6874, 7856, 10178, 11632, 13748, 15221, 20356, 22537, 27496, 30442, 40712, 45074, 54992, 60884, 81424, 90148, 106547, 121768, 157759, 180296, 213094, 243536, 315518, 356957, 360592, 426188, 631036, 713914, 852376, 1262072, 1427828, 1704752, 2498699, 2524144, 2855656, 4997398, 5711312, 9994796, 11065667, 19989592, 22131334, 39979184, 44262668, 77459669, 88525336, 154919338, 177050672, 309838676, 619677352, 1239354704]

約数ペア:

[(1, 1239354704), (2, 619677352), (4, 309838676), (7, 177050672), (8, 154919338), (14, 88525336), (16, 77459669), (28, 44262668), (31, 39979184), (56, 22131334), (62, 19989592), (112, 11065667), (124, 9994796), (217, 5711312), (248, 4997398), (434, 2855656), (491, 2524144), (496, 2498699), (727, 1704752), (868, 1427828), (982, 1262072), (1454, 852376), (1736, 713914), (1964, 631036), (2908, 426188), (3437, 360592), (3472, 356957), (3928, 315518), (5089, 243536), (5816, 213094), (6874, 180296), (7856, 157759), (10178, 121768), (11632, 106547), (13748, 90148), (15221, 81424), (20356, 60884), (22537, 54992), (27496, 45074), (30442, 40712)]