201888946

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 380632320

約数和(自身を除く): 178743374

約数列:

[1, 2, 7, 14, 19, 37, 38, 73, 74, 133, 146, 259, 266, 281, 511, 518, 562, 703, 1022, 1387, 1406, 1967, 2701, 2774, 3934, 4921, 5339, 5402, 9709, 9842, 10397, 10678, 18907, 19418, 20513, 20794, 37373, 37814, 41026, 51319, 72779, 74746, 102638, 143591, 145558, 197543, 287182, 359233, 389747, 395086, 718466, 758981, 779494, 1382801, 1517962, 2728229, 2765602, 5312867, 5456458, 10625734, 14420639, 28841278, 100944473, 201888946]

約数ペア:

[(1, 201888946), (2, 100944473), (7, 28841278), (14, 14420639), (19, 10625734), (37, 5456458), (38, 5312867), (73, 2765602), (74, 2728229), (133, 1517962), (146, 1382801), (259, 779494), (266, 758981), (281, 718466), (511, 395086), (518, 389747), (562, 359233), (703, 287182), (1022, 197543), (1387, 145558), (1406, 143591), (1967, 102638), (2701, 74746), (2774, 72779), (3934, 51319), (4921, 41026), (5339, 37814), (5402, 37373), (9709, 20794), (9842, 20513), (10397, 19418), (10678, 18907)]