78019976

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 159030000

約数和(自身を除く): 81010024

約数列:

[1, 2, 4, 8, 29, 37, 58, 61, 74, 116, 122, 148, 149, 232, 244, 296, 298, 488, 596, 1073, 1192, 1769, 2146, 2257, 3538, 4292, 4321, 4514, 5513, 7076, 8584, 8642, 9028, 9089, 11026, 14152, 17284, 18056, 18178, 22052, 34568, 36356, 44104, 65453, 72712, 130906, 159877, 261812, 263581, 319754, 336293, 523624, 527162, 639508, 672586, 1054324, 1279016, 1345172, 2108648, 2690344, 9752497, 19504994, 39009988, 78019976]

約数ペア:

[(1, 78019976), (2, 39009988), (4, 19504994), (8, 9752497), (29, 2690344), (37, 2108648), (58, 1345172), (61, 1279016), (74, 1054324), (116, 672586), (122, 639508), (148, 527162), (149, 523624), (232, 336293), (244, 319754), (296, 263581), (298, 261812), (488, 159877), (596, 130906), (1073, 72712), (1192, 65453), (1769, 44104), (2146, 36356), (2257, 34568), (3538, 22052), (4292, 18178), (4321, 18056), (4514, 17284), (5513, 14152), (7076, 11026), (8584, 9089), (8642, 9028)]