689732428

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:396

約数の個数: 108

約数和(自身を含む): 1562292480

約数和(自身を除く): 872560052

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 127, 154, 196, 229, 242, 254, 308, 458, 484, 508, 539, 847, 889, 916, 1078, 1397, 1603, 1694, 1778, 2156, 2519, 2794, 3206, 3388, 3556, 5038, 5588, 5929, 6223, 6412, 9779, 10076, 11221, 11858, 12446, 15367, 17633, 19558, 22442, 23716, 24892, 27709, 29083, 30734, 35266, 39116, 44884, 55418, 58166, 61468, 68453, 70532, 107569, 110836, 116332, 123431, 136906, 193963, 203581, 215138, 246862, 273812, 319913, 387926, 407162, 430276, 493724, 639826, 752983, 775852, 814324, 1279652, 1357741, 1425067, 1505966, 2239391, 2715482, 2850134, 3011932, 3519043, 4478782, 5430964, 5700268, 7038086, 8957564, 14076172, 15675737, 24633301, 31351474, 49266602, 62702948, 98533204, 172433107, 344866214, 689732428]

約数ペア:

[(1, 689732428), (2, 344866214), (4, 172433107), (7, 98533204), (11, 62702948), (14, 49266602), (22, 31351474), (28, 24633301), (44, 15675737), (49, 14076172), (77, 8957564), (98, 7038086), (121, 5700268), (127, 5430964), (154, 4478782), (196, 3519043), (229, 3011932), (242, 2850134), (254, 2715482), (308, 2239391), (458, 1505966), (484, 1425067), (508, 1357741), (539, 1279652), (847, 814324), (889, 775852), (916, 752983), (1078, 639826), (1397, 493724), (1603, 430276), (1694, 407162), (1778, 387926), (2156, 319913), (2519, 273812), (2794, 246862), (3206, 215138), (3388, 203581), (3556, 193963), (5038, 136906), (5588, 123431), (5929, 116332), (6223, 110836), (6412, 107569), (9779, 70532), (10076, 68453), (11221, 61468), (11858, 58166), (12446, 55418), (15367, 44884), (17633, 39116), (19558, 35266), (22442, 30734), (23716, 29083), (24892, 27709)]