858581927

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 1050071040

約数和(自身を除く): 191489113

約数列:

[1, 7, 23, 53, 161, 239, 371, 421, 1219, 1673, 2947, 5497, 8533, 9683, 12667, 22313, 38479, 67781, 88669, 100619, 156191, 291341, 513199, 704333, 2039387, 2314237, 3592393, 5332807, 16199659, 37329649, 122654561, 858581927]

約数ペア:

[(1, 858581927), (7, 122654561), (23, 37329649), (53, 16199659), (161, 5332807), (239, 3592393), (371, 2314237), (421, 2039387), (1219, 704333), (1673, 513199), (2947, 291341), (5497, 156191), (8533, 100619), (9683, 88669), (12667, 67781), (22313, 38479)]