646705976

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{10139}}^1$

素因数の和:10236

約数の個数: 64

約数和(自身を含む): 1489363200

約数和(自身を除く): 842657224

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 67, 68, 119, 134, 136, 238, 268, 469, 476, 536, 938, 952, 1139, 1876, 2278, 3752, 4556, 7973, 9112, 10139, 15946, 20278, 31892, 40556, 63784, 70973, 81112, 141946, 172363, 283892, 344726, 567784, 679313, 689452, 1206541, 1358626, 1378904, 2413082, 2717252, 4755191, 4826164, 5434504, 9510382, 9652328, 11548321, 19020764, 23096642, 38041528, 46193284, 80838247, 92386568, 161676494, 323352988, 646705976]

約数ペア:

[(1, 646705976), (2, 323352988), (4, 161676494), (7, 92386568), (8, 80838247), (14, 46193284), (17, 38041528), (28, 23096642), (34, 19020764), (56, 11548321), (67, 9652328), (68, 9510382), (119, 5434504), (134, 4826164), (136, 4755191), (238, 2717252), (268, 2413082), (469, 1378904), (476, 1358626), (536, 1206541), (938, 689452), (952, 679313), (1139, 567784), (1876, 344726), (2278, 283892), (3752, 172363), (4556, 141946), (7973, 81112), (9112, 70973), (10139, 63784), (15946, 40556), (20278, 31892)]