67721890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15497}}^1$

素因数の和:15546

約数の個数: 32

約数和(自身を含む): 133902720

約数和(自身を除く): 66180830

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 15497, 30994, 77485, 154970, 294443, 356431, 588886, 712862, 1472215, 1782155, 2944430, 3564310, 6772189, 13544378, 33860945, 67721890]

約数ペア:

[(1, 67721890), (2, 33860945), (5, 13544378), (10, 6772189), (19, 3564310), (23, 2944430), (38, 1782155), (46, 1472215), (95, 712862), (115, 588886), (190, 356431), (230, 294443), (437, 154970), (874, 77485), (2185, 30994), (4370, 15497)]