31980902

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 53028864

約数和(自身を除く): 21047962

約数列:

[1, 2, 23, 31, 41, 46, 62, 82, 547, 713, 943, 1094, 1271, 1426, 1886, 2542, 12581, 16957, 22427, 25162, 29233, 33914, 44854, 58466, 390011, 515821, 695237, 780022, 1031642, 1390474, 15990451, 31980902]

約数ペア:

[(1, 31980902), (2, 15990451), (23, 1390474), (31, 1031642), (41, 780022), (46, 695237), (62, 515821), (82, 390011), (547, 58466), (713, 44854), (943, 33914), (1094, 29233), (1271, 25162), (1426, 22427), (1886, 16957), (2542, 12581)]