78221836

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 179020800

約数和(自身を除く): 100798964

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 73, 77, 98, 142, 146, 154, 196, 284, 292, 308, 343, 497, 511, 539, 686, 781, 803, 994, 1022, 1078, 1372, 1562, 1606, 1988, 2044, 2156, 3124, 3212, 3479, 3577, 3773, 5183, 5467, 5621, 6958, 7154, 7546, 10366, 10934, 11242, 13916, 14308, 15092, 20732, 21868, 22484, 24353, 25039, 36281, 38269, 39347, 48706, 50078, 57013, 72562, 76538, 78694, 97412, 100156, 114026, 145124, 153076, 157388, 228052, 253967, 267883, 275429, 399091, 507934, 535766, 550858, 798182, 1015868, 1071532, 1101716, 1596364, 1777769, 2793637, 3555538, 5587274, 7111076, 11174548, 19555459, 39110918, 78221836]

約数ペア:

[(1, 78221836), (2, 39110918), (4, 19555459), (7, 11174548), (11, 7111076), (14, 5587274), (22, 3555538), (28, 2793637), (44, 1777769), (49, 1596364), (71, 1101716), (73, 1071532), (77, 1015868), (98, 798182), (142, 550858), (146, 535766), (154, 507934), (196, 399091), (284, 275429), (292, 267883), (308, 253967), (343, 228052), (497, 157388), (511, 153076), (539, 145124), (686, 114026), (781, 100156), (803, 97412), (994, 78694), (1022, 76538), (1078, 72562), (1372, 57013), (1562, 50078), (1606, 48706), (1988, 39347), (2044, 38269), (2156, 36281), (3124, 25039), (3212, 24353), (3479, 22484), (3577, 21868), (3773, 20732), (5183, 15092), (5467, 14308), (5621, 13916), (6958, 11242), (7154, 10934), (7546, 10366)]