201519968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2459}}^1$

素因数の和:2679

約数の個数: 48

約数和(自身を含む): 429604560

約数和(自身を除く): 228084592

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 197, 208, 394, 416, 788, 1576, 2459, 2561, 3152, 4918, 5122, 6304, 9836, 10244, 19672, 20488, 31967, 39344, 40976, 63934, 78688, 81952, 127868, 255736, 484423, 511472, 968846, 1022944, 1937692, 3875384, 6297499, 7750768, 12594998, 15501536, 25189996, 50379992, 100759984, 201519968]

約数ペア:

[(1, 201519968), (2, 100759984), (4, 50379992), (8, 25189996), (13, 15501536), (16, 12594998), (26, 7750768), (32, 6297499), (52, 3875384), (104, 1937692), (197, 1022944), (208, 968846), (394, 511472), (416, 484423), (788, 255736), (1576, 127868), (2459, 81952), (2561, 78688), (3152, 63934), (4918, 40976), (5122, 39344), (6304, 31967), (9836, 20488), (10244, 19672)]