63638380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1559}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 144930240

約数和(自身を除く): 81291860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1559, 1570, 2041, 3118, 3140, 4082, 6236, 7795, 8164, 10205, 15590, 20267, 20410, 31180, 40534, 40820, 81068, 101335, 202670, 244763, 405340, 489526, 979052, 1223815, 2447630, 3181919, 4895260, 6363838, 12727676, 15909595, 31819190, 63638380]

約数ペア:

[(1, 63638380), (2, 31819190), (4, 15909595), (5, 12727676), (10, 6363838), (13, 4895260), (20, 3181919), (26, 2447630), (52, 1223815), (65, 979052), (130, 489526), (157, 405340), (260, 244763), (314, 202670), (628, 101335), (785, 81068), (1559, 40820), (1570, 40534), (2041, 31180), (3118, 20410), (3140, 20267), (4082, 15590), (6236, 10205), (7795, 8164)]