81974912

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 171490560

約数和(自身を除く): 89515648

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 124, 128, 146, 248, 283, 292, 496, 566, 584, 992, 1132, 1168, 1984, 2263, 2264, 2336, 3968, 4526, 4528, 4672, 8773, 9052, 9056, 9344, 17546, 18104, 18112, 20659, 35092, 36208, 36224, 41318, 70184, 72416, 82636, 140368, 144832, 165272, 280736, 289664, 330544, 561472, 640429, 661088, 1122944, 1280858, 1322176, 2561716, 2644352, 5123432, 10246864, 20493728, 40987456, 81974912]

約数ペア:

[(1, 81974912), (2, 40987456), (4, 20493728), (8, 10246864), (16, 5123432), (31, 2644352), (32, 2561716), (62, 1322176), (64, 1280858), (73, 1122944), (124, 661088), (128, 640429), (146, 561472), (248, 330544), (283, 289664), (292, 280736), (496, 165272), (566, 144832), (584, 140368), (992, 82636), (1132, 72416), (1168, 70184), (1984, 41318), (2263, 36224), (2264, 36208), (2336, 35092), (3968, 20659), (4526, 18112), (4528, 18104), (4672, 17546), (8773, 9344), (9052, 9056)]