128623872

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^2\times {\mathrm{991}}^1$

素因数の和:1036

約数の個数: 108

約数和(自身を含む): 371059584

約数和(自身を除く): 242435712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 169, 192, 208, 256, 312, 338, 384, 416, 507, 624, 676, 768, 832, 991, 1014, 1248, 1352, 1664, 1982, 2028, 2496, 2704, 2973, 3328, 3964, 4056, 4992, 5408, 5946, 7928, 8112, 9984, 10816, 11892, 12883, 15856, 16224, 21632, 23784, 25766, 31712, 32448, 38649, 43264, 47568, 51532, 63424, 64896, 77298, 95136, 103064, 126848, 129792, 154596, 167479, 190272, 206128, 253696, 309192, 334958, 380544, 412256, 502437, 618384, 669916, 761088, 824512, 1004874, 1236768, 1339832, 1649024, 2009748, 2473536, 2679664, 3298048, 4019496, 4947072, 5359328, 8038992, 9894144, 10718656, 16077984, 21437312, 32155968, 42874624, 64311936, 128623872]

約数ペア:

[(1, 128623872), (2, 64311936), (3, 42874624), (4, 32155968), (6, 21437312), (8, 16077984), (12, 10718656), (13, 9894144), (16, 8038992), (24, 5359328), (26, 4947072), (32, 4019496), (39, 3298048), (48, 2679664), (52, 2473536), (64, 2009748), (78, 1649024), (96, 1339832), (104, 1236768), (128, 1004874), (156, 824512), (169, 761088), (192, 669916), (208, 618384), (256, 502437), (312, 412256), (338, 380544), (384, 334958), (416, 309192), (507, 253696), (624, 206128), (676, 190272), (768, 167479), (832, 154596), (991, 129792), (1014, 126848), (1248, 103064), (1352, 95136), (1664, 77298), (1982, 64896), (2028, 63424), (2496, 51532), (2704, 47568), (2973, 43264), (3328, 38649), (3964, 32448), (4056, 31712), (4992, 25766), (5408, 23784), (5946, 21632), (7928, 16224), (8112, 15856), (9984, 12883), (10816, 11892)]