72291856

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 180785304

約数和(自身を除く): 108493448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 49, 52, 56, 82, 91, 98, 104, 112, 164, 173, 182, 196, 208, 287, 328, 346, 364, 392, 533, 574, 637, 656, 692, 728, 784, 1066, 1148, 1211, 1274, 1384, 1456, 2009, 2132, 2249, 2296, 2422, 2548, 2768, 3731, 4018, 4264, 4498, 4592, 4844, 5096, 7093, 7462, 8036, 8477, 8528, 8996, 9688, 10192, 14186, 14924, 15743, 16072, 16954, 17992, 19376, 26117, 28372, 29848, 31486, 32144, 33908, 35984, 49651, 52234, 56744, 59696, 62972, 67816, 92209, 99302, 104468, 110201, 113488, 125944, 135632, 184418, 198604, 208936, 220402, 251888, 347557, 368836, 397208, 417872, 440804, 645463, 695114, 737672, 794416, 881608, 1290926, 1390228, 1475344, 1763216, 2581852, 2780456, 4518241, 5163704, 5560912, 9036482, 10327408, 18072964, 36145928, 72291856]

約数ペア:

[(1, 72291856), (2, 36145928), (4, 18072964), (7, 10327408), (8, 9036482), (13, 5560912), (14, 5163704), (16, 4518241), (26, 2780456), (28, 2581852), (41, 1763216), (49, 1475344), (52, 1390228), (56, 1290926), (82, 881608), (91, 794416), (98, 737672), (104, 695114), (112, 645463), (164, 440804), (173, 417872), (182, 397208), (196, 368836), (208, 347557), (287, 251888), (328, 220402), (346, 208936), (364, 198604), (392, 184418), (533, 135632), (574, 125944), (637, 113488), (656, 110201), (692, 104468), (728, 99302), (784, 92209), (1066, 67816), (1148, 62972), (1211, 59696), (1274, 56744), (1384, 52234), (1456, 49651), (2009, 35984), (2132, 33908), (2249, 32144), (2296, 31486), (2422, 29848), (2548, 28372), (2768, 26117), (3731, 19376), (4018, 17992), (4264, 16954), (4498, 16072), (4592, 15743), (4844, 14924), (5096, 14186), (7093, 10192), (7462, 9688), (8036, 8996), (8477, 8528)]