639172352

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27437}}^1$

素因数の和:27473

約数の個数: 72

約数和(自身を含む): 1570331616

約数和(自身を除く): 931159264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 11648, 23296, 27437, 54874, 109748, 192059, 219496, 356681, 384118, 438992, 713362, 768236, 877984, 1426724, 1536472, 1755968, 2496767, 2853448, 3072944, 3511936, 4993534, 5706896, 6145888, 7023872, 9987068, 11413792, 12291776, 19974136, 22827584, 24583552, 39948272, 45655168, 49167104, 79896544, 91310336, 159793088, 319586176, 639172352]

約数ペア:

[(1, 639172352), (2, 319586176), (4, 159793088), (7, 91310336), (8, 79896544), (13, 49167104), (14, 45655168), (16, 39948272), (26, 24583552), (28, 22827584), (32, 19974136), (52, 12291776), (56, 11413792), (64, 9987068), (91, 7023872), (104, 6145888), (112, 5706896), (128, 4993534), (182, 3511936), (208, 3072944), (224, 2853448), (256, 2496767), (364, 1755968), (416, 1536472), (448, 1426724), (728, 877984), (832, 768236), (896, 713362), (1456, 438992), (1664, 384118), (1792, 356681), (2912, 219496), (3328, 192059), (5824, 109748), (11648, 54874), (23296, 27437)]