128712178

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1\times {\mathrm{401}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 224373888

約数和(自身を除く): 95661710

約数列:

[1, 2, 7, 14, 101, 202, 227, 401, 454, 707, 802, 1414, 1589, 2807, 3178, 5614, 22927, 40501, 45854, 81002, 91027, 160489, 182054, 283507, 320978, 567014, 637189, 1274378, 9193727, 18387454, 64356089, 128712178]

約数ペア:

[(1, 128712178), (2, 64356089), (7, 18387454), (14, 9193727), (101, 1274378), (202, 637189), (227, 567014), (401, 320978), (454, 283507), (707, 182054), (802, 160489), (1414, 91027), (1589, 81002), (2807, 45854), (3178, 40501), (5614, 22927)]