78123456

素因数分解:

$2^6\times 3^2\times {\mathrm{23}}^1\times {\mathrm{5897}}^1$

素因数の和:5938

約数の個数: 84

約数和(自身を含む): 233702352

約数和(自身を除く): 155578896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 138, 144, 184, 192, 207, 276, 288, 368, 414, 552, 576, 736, 828, 1104, 1472, 1656, 2208, 3312, 4416, 5897, 6624, 11794, 13248, 17691, 23588, 35382, 47176, 53073, 70764, 94352, 106146, 135631, 141528, 188704, 212292, 271262, 283056, 377408, 406893, 424584, 542524, 566112, 813786, 849168, 1085048, 1132224, 1220679, 1627572, 1698336, 2170096, 2441358, 3255144, 3396672, 4340192, 4882716, 6510288, 8680384, 9765432, 13020576, 19530864, 26041152, 39061728, 78123456]

約数ペア:

[(1, 78123456), (2, 39061728), (3, 26041152), (4, 19530864), (6, 13020576), (8, 9765432), (9, 8680384), (12, 6510288), (16, 4882716), (18, 4340192), (23, 3396672), (24, 3255144), (32, 2441358), (36, 2170096), (46, 1698336), (48, 1627572), (64, 1220679), (69, 1132224), (72, 1085048), (92, 849168), (96, 813786), (138, 566112), (144, 542524), (184, 424584), (192, 406893), (207, 377408), (276, 283056), (288, 271262), (368, 212292), (414, 188704), (552, 141528), (576, 135631), (736, 106146), (828, 94352), (1104, 70764), (1472, 53073), (1656, 47176), (2208, 35382), (3312, 23588), (4416, 17691), (5897, 13248), (6624, 11794)]