81889696

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 197406720

約数和(自身を除く): 115517024

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 71, 76, 112, 133, 142, 152, 224, 266, 271, 284, 304, 497, 532, 542, 568, 608, 994, 1064, 1084, 1136, 1349, 1897, 1988, 2128, 2168, 2272, 2698, 3794, 3976, 4256, 4336, 5149, 5396, 7588, 7952, 8672, 9443, 10298, 10792, 15176, 15904, 18886, 19241, 20596, 21584, 30352, 36043, 37772, 38482, 41192, 43168, 60704, 72086, 75544, 76964, 82384, 134687, 144172, 151088, 153928, 164768, 269374, 288344, 302176, 307856, 365579, 538748, 576688, 615712, 731158, 1077496, 1153376, 1462316, 2154992, 2559053, 2924632, 4309984, 5118106, 5849264, 10236212, 11698528, 20472424, 40944848, 81889696]

約数ペア:

[(1, 81889696), (2, 40944848), (4, 20472424), (7, 11698528), (8, 10236212), (14, 5849264), (16, 5118106), (19, 4309984), (28, 2924632), (32, 2559053), (38, 2154992), (56, 1462316), (71, 1153376), (76, 1077496), (112, 731158), (133, 615712), (142, 576688), (152, 538748), (224, 365579), (266, 307856), (271, 302176), (284, 288344), (304, 269374), (497, 164768), (532, 153928), (542, 151088), (568, 144172), (608, 134687), (994, 82384), (1064, 76964), (1084, 75544), (1136, 72086), (1349, 60704), (1897, 43168), (1988, 41192), (2128, 38482), (2168, 37772), (2272, 36043), (2698, 30352), (3794, 21584), (3976, 20596), (4256, 19241), (4336, 18886), (5149, 15904), (5396, 15176), (7588, 10792), (7952, 10298), (8672, 9443)]