12221508

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 30968000

約数和(自身を除く): 18746492

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 157, 314, 471, 499, 628, 942, 998, 1497, 1884, 1996, 2041, 2994, 4082, 5988, 6123, 6487, 8164, 12246, 12974, 19461, 24492, 25948, 38922, 77844, 78343, 156686, 235029, 313372, 470058, 940116, 1018459, 2036918, 3055377, 4073836, 6110754, 12221508]

約数ペア:

[(1, 12221508), (2, 6110754), (3, 4073836), (4, 3055377), (6, 2036918), (12, 1018459), (13, 940116), (26, 470058), (39, 313372), (52, 235029), (78, 156686), (156, 78343), (157, 77844), (314, 38922), (471, 25948), (499, 24492), (628, 19461), (942, 12974), (998, 12246), (1497, 8164), (1884, 6487), (1996, 6123), (2041, 5988), (2994, 4082)]