665357056

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^5$

素因数の和:88

約数の個数: 108

約数和(自身を含む): 1644332592

約数和(自身を除く): 978975536

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 169, 182, 208, 224, 256, 338, 364, 416, 448, 676, 728, 832, 896, 1183, 1352, 1456, 1664, 1792, 2197, 2366, 2704, 2912, 3328, 4394, 4732, 5408, 5824, 8788, 9464, 10816, 11648, 15379, 17576, 18928, 21632, 23296, 28561, 30758, 35152, 37856, 43264, 57122, 61516, 70304, 75712, 114244, 123032, 140608, 151424, 199927, 228488, 246064, 281216, 302848, 371293, 399854, 456976, 492128, 562432, 742586, 799708, 913952, 984256, 1485172, 1599416, 1827904, 1968512, 2599051, 2970344, 3198832, 3655808, 3937024, 5198102, 5940688, 6397664, 7311616, 10396204, 11881376, 12795328, 20792408, 23762752, 25590656, 41584816, 47525504, 51181312, 83169632, 95051008, 166339264, 332678528, 665357056]

約数ペア:

[(1, 665357056), (2, 332678528), (4, 166339264), (7, 95051008), (8, 83169632), (13, 51181312), (14, 47525504), (16, 41584816), (26, 25590656), (28, 23762752), (32, 20792408), (52, 12795328), (56, 11881376), (64, 10396204), (91, 7311616), (104, 6397664), (112, 5940688), (128, 5198102), (169, 3937024), (182, 3655808), (208, 3198832), (224, 2970344), (256, 2599051), (338, 1968512), (364, 1827904), (416, 1599416), (448, 1485172), (676, 984256), (728, 913952), (832, 799708), (896, 742586), (1183, 562432), (1352, 492128), (1456, 456976), (1664, 399854), (1792, 371293), (2197, 302848), (2366, 281216), (2704, 246064), (2912, 228488), (3328, 199927), (4394, 151424), (4732, 140608), (5408, 123032), (5824, 114244), (8788, 75712), (9464, 70304), (10816, 61516), (11648, 57122), (15379, 43264), (17576, 37856), (18928, 35152), (21632, 30758), (23296, 28561)]