1971292688

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{36269}}^1$

素因数の和:36399

約数の個数: 40

約数和(自身を含む): 3957782400

約数和(自身を除く): 1986489712

約数列:

[1, 2, 4, 8, 16, 43, 79, 86, 158, 172, 316, 344, 632, 688, 1264, 3397, 6794, 13588, 27176, 36269, 54352, 72538, 145076, 290152, 580304, 1559567, 2865251, 3119134, 5730502, 6238268, 11461004, 12476536, 22922008, 24953072, 45844016, 123205793, 246411586, 492823172, 985646344, 1971292688]

約数ペア:

[(1, 1971292688), (2, 985646344), (4, 492823172), (8, 246411586), (16, 123205793), (43, 45844016), (79, 24953072), (86, 22922008), (158, 12476536), (172, 11461004), (316, 6238268), (344, 5730502), (632, 3119134), (688, 2865251), (1264, 1559567), (3397, 580304), (6794, 290152), (13588, 145076), (27176, 72538), (36269, 54352)]