31991206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 54871488

約数和(自身を除く): 22880282

約数列:

[1, 2, 13, 23, 26, 46, 61, 122, 299, 598, 793, 877, 1403, 1586, 1754, 2806, 11401, 18239, 20171, 22802, 36478, 40342, 53497, 106994, 262223, 524446, 695461, 1230431, 1390922, 2460862, 15995603, 31991206]

約数ペア:

[(1, 31991206), (2, 15995603), (13, 2460862), (23, 1390922), (26, 1230431), (46, 695461), (61, 524446), (122, 262223), (299, 106994), (598, 53497), (793, 40342), (877, 36478), (1403, 22802), (1586, 20171), (1754, 18239), (2806, 11401)]