31577344

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 68285952

約数和(自身を除く): 36708608

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 173, 184, 248, 256, 346, 368, 496, 692, 713, 736, 992, 1384, 1426, 1472, 1984, 2768, 2852, 2944, 3968, 3979, 5363, 5536, 5704, 5888, 7936, 7958, 10726, 11072, 11408, 15916, 21452, 22144, 22816, 31832, 42904, 44288, 45632, 63664, 85808, 91264, 123349, 127328, 171616, 182528, 246698, 254656, 343232, 493396, 509312, 686464, 986792, 1018624, 1372928, 1973584, 3947168, 7894336, 15788672, 31577344]

約数ペア:

[(1, 31577344), (2, 15788672), (4, 7894336), (8, 3947168), (16, 1973584), (23, 1372928), (31, 1018624), (32, 986792), (46, 686464), (62, 509312), (64, 493396), (92, 343232), (124, 254656), (128, 246698), (173, 182528), (184, 171616), (248, 127328), (256, 123349), (346, 91264), (368, 85808), (496, 63664), (692, 45632), (713, 44288), (736, 42904), (992, 31832), (1384, 22816), (1426, 22144), (1472, 21452), (1984, 15916), (2768, 11408), (2852, 11072), (2944, 10726), (3968, 7958), (3979, 7936), (5363, 5888), (5536, 5704)]