638090856

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21991}}^1$

素因数の和:22047

約数の個数: 96

約数和(自身を含む): 1921221120

約数和(自身を除く): 1283130264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 234, 248, 279, 312, 372, 403, 468, 558, 744, 806, 936, 1116, 1209, 1612, 2232, 2418, 3224, 3627, 4836, 7254, 9672, 14508, 21991, 29016, 43982, 65973, 87964, 131946, 175928, 197919, 263892, 285883, 395838, 527784, 571766, 681721, 791676, 857649, 1143532, 1363442, 1583352, 1715298, 2045163, 2287064, 2572947, 2726884, 3430596, 4090326, 5145894, 5453768, 6135489, 6861192, 8180652, 8862373, 10291788, 12270978, 16361304, 17724746, 20583576, 24541956, 26587119, 35449492, 49083912, 53174238, 70898984, 79761357, 106348476, 159522714, 212696952, 319045428, 638090856]

約数ペア:

[(1, 638090856), (2, 319045428), (3, 212696952), (4, 159522714), (6, 106348476), (8, 79761357), (9, 70898984), (12, 53174238), (13, 49083912), (18, 35449492), (24, 26587119), (26, 24541956), (31, 20583576), (36, 17724746), (39, 16361304), (52, 12270978), (62, 10291788), (72, 8862373), (78, 8180652), (93, 6861192), (104, 6135489), (117, 5453768), (124, 5145894), (156, 4090326), (186, 3430596), (234, 2726884), (248, 2572947), (279, 2287064), (312, 2045163), (372, 1715298), (403, 1583352), (468, 1363442), (558, 1143532), (744, 857649), (806, 791676), (936, 681721), (1116, 571766), (1209, 527784), (1612, 395838), (2232, 285883), (2418, 263892), (3224, 197919), (3627, 175928), (4836, 131946), (7254, 87964), (9672, 65973), (14508, 43982), (21991, 29016)]