81642288

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18691}}^1$

素因数の和:18722

約数の個数: 80

約数和(自身を含む): 259594496

約数和(自身を除く): 177952208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 18691, 37382, 56073, 74764, 112146, 130837, 149528, 224292, 242983, 261674, 299056, 392511, 448584, 485966, 523348, 728949, 785022, 897168, 971932, 1046696, 1457898, 1570044, 1700881, 1943864, 2093392, 2915796, 3140088, 3401762, 3887728, 5102643, 5831592, 6280176, 6803524, 10205286, 11663184, 13607048, 20410572, 27214096, 40821144, 81642288]

約数ペア:

[(1, 81642288), (2, 40821144), (3, 27214096), (4, 20410572), (6, 13607048), (7, 11663184), (8, 10205286), (12, 6803524), (13, 6280176), (14, 5831592), (16, 5102643), (21, 3887728), (24, 3401762), (26, 3140088), (28, 2915796), (39, 2093392), (42, 1943864), (48, 1700881), (52, 1570044), (56, 1457898), (78, 1046696), (84, 971932), (91, 897168), (104, 785022), (112, 728949), (156, 523348), (168, 485966), (182, 448584), (208, 392511), (273, 299056), (312, 261674), (336, 242983), (364, 224292), (546, 149528), (624, 130837), (728, 112146), (1092, 74764), (1456, 56073), (2184, 37382), (4368, 18691)]