72166016

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1457

約数の個数: 64

約数和(自身を含む): 159936000

約数和(自身を除く): 87769984

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1399, 1612, 1664, 1984, 2798, 3224, 3968, 5596, 6448, 11192, 12896, 18187, 22384, 25792, 36374, 43369, 44768, 51584, 72748, 86738, 89536, 145496, 173476, 179072, 290992, 346952, 563797, 581984, 693904, 1127594, 1163968, 1387808, 2255188, 2327936, 2775616, 4510376, 5551232, 9020752, 18041504, 36083008, 72166016]

約数ペア:

[(1, 72166016), (2, 36083008), (4, 18041504), (8, 9020752), (13, 5551232), (16, 4510376), (26, 2775616), (31, 2327936), (32, 2255188), (52, 1387808), (62, 1163968), (64, 1127594), (104, 693904), (124, 581984), (128, 563797), (208, 346952), (248, 290992), (403, 179072), (416, 173476), (496, 145496), (806, 89536), (832, 86738), (992, 72748), (1399, 51584), (1612, 44768), (1664, 43369), (1984, 36374), (2798, 25792), (3224, 22384), (3968, 18187), (5596, 12896), (6448, 11192)]