31998704

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{977}}^1$

素因数の和:1097

約数の個数: 40

約数和(自身を含む): 65486880

約数和(自身を除く): 33488176

約数列:

[1, 2, 4, 8, 16, 23, 46, 89, 92, 178, 184, 356, 368, 712, 977, 1424, 1954, 2047, 3908, 4094, 7816, 8188, 15632, 16376, 22471, 32752, 44942, 86953, 89884, 173906, 179768, 347812, 359536, 695624, 1391248, 1999919, 3999838, 7999676, 15999352, 31998704]

約数ペア:

[(1, 31998704), (2, 15999352), (4, 7999676), (8, 3999838), (16, 1999919), (23, 1391248), (46, 695624), (89, 359536), (92, 347812), (178, 179768), (184, 173906), (356, 89884), (368, 86953), (712, 44942), (977, 32752), (1424, 22471), (1954, 16376), (2047, 15632), (3908, 8188), (4094, 7816)]