28642572

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 87247776

約数和(自身を除く): 58605204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 73, 81, 84, 108, 126, 146, 162, 173, 189, 219, 252, 292, 324, 346, 378, 438, 511, 519, 567, 657, 692, 756, 876, 1022, 1038, 1134, 1211, 1314, 1533, 1557, 1971, 2044, 2076, 2268, 2422, 2628, 3066, 3114, 3633, 3942, 4599, 4671, 4844, 5913, 6132, 6228, 7266, 7884, 9198, 9342, 10899, 11826, 12629, 13797, 14013, 14532, 18396, 18684, 21798, 23652, 25258, 27594, 28026, 32697, 37887, 41391, 43596, 50516, 55188, 56052, 65394, 75774, 82782, 88403, 98091, 113661, 130788, 151548, 165564, 176806, 196182, 227322, 265209, 340983, 353612, 392364, 454644, 530418, 681966, 795627, 1022949, 1060836, 1363932, 1591254, 2045898, 2386881, 3182508, 4091796, 4773762, 7160643, 9547524, 14321286, 28642572]

約数ペア:

[(1, 28642572), (2, 14321286), (3, 9547524), (4, 7160643), (6, 4773762), (7, 4091796), (9, 3182508), (12, 2386881), (14, 2045898), (18, 1591254), (21, 1363932), (27, 1060836), (28, 1022949), (36, 795627), (42, 681966), (54, 530418), (63, 454644), (73, 392364), (81, 353612), (84, 340983), (108, 265209), (126, 227322), (146, 196182), (162, 176806), (173, 165564), (189, 151548), (219, 130788), (252, 113661), (292, 98091), (324, 88403), (346, 82782), (378, 75774), (438, 65394), (511, 56052), (519, 55188), (567, 50516), (657, 43596), (692, 41391), (756, 37887), (876, 32697), (1022, 28026), (1038, 27594), (1134, 25258), (1211, 23652), (1314, 21798), (1533, 18684), (1557, 18396), (1971, 14532), (2044, 14013), (2076, 13797), (2268, 12629), (2422, 11826), (2628, 10899), (3066, 9342), (3114, 9198), (3633, 7884), (3942, 7266), (4599, 6228), (4671, 6132), (4844, 5913)]