77983864

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 174720960

約数和(自身を除く): 96737096

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 61, 74, 122, 148, 244, 259, 296, 427, 488, 518, 617, 854, 1036, 1234, 1708, 2072, 2257, 2468, 3416, 4319, 4514, 4936, 8638, 9028, 15799, 17276, 18056, 22829, 31598, 34552, 37637, 45658, 63196, 75274, 91316, 126392, 150548, 159803, 182632, 263459, 301096, 319606, 526918, 639212, 1053836, 1278424, 1392569, 2107672, 2785138, 5570276, 9747983, 11140552, 19495966, 38991932, 77983864]

約数ペア:

[(1, 77983864), (2, 38991932), (4, 19495966), (7, 11140552), (8, 9747983), (14, 5570276), (28, 2785138), (37, 2107672), (56, 1392569), (61, 1278424), (74, 1053836), (122, 639212), (148, 526918), (244, 319606), (259, 301096), (296, 263459), (427, 182632), (488, 159803), (518, 150548), (617, 126392), (854, 91316), (1036, 75274), (1234, 63196), (1708, 45658), (2072, 37637), (2257, 34552), (2468, 31598), (3416, 22829), (4319, 18056), (4514, 17276), (4936, 15799), (8638, 9028)]