291278372

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11971}}^1$

素因数の和:12072

約数の個数: 48

約数和(自身を含む): 643614720

約数和(自身を除く): 352336348

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 79, 154, 158, 308, 316, 553, 869, 1106, 1738, 2212, 3476, 6083, 11971, 12166, 23942, 24332, 47884, 83797, 131681, 167594, 263362, 335188, 526724, 921767, 945709, 1843534, 1891418, 3687068, 3782836, 6619963, 10402799, 13239926, 20805598, 26479852, 41611196, 72819593, 145639186, 291278372]

約数ペア:

[(1, 291278372), (2, 145639186), (4, 72819593), (7, 41611196), (11, 26479852), (14, 20805598), (22, 13239926), (28, 10402799), (44, 6619963), (77, 3782836), (79, 3687068), (154, 1891418), (158, 1843534), (308, 945709), (316, 921767), (553, 526724), (869, 335188), (1106, 263362), (1738, 167594), (2212, 131681), (3476, 83797), (6083, 47884), (11971, 24332), (12166, 23942)]