2557490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 5031936

約数和(自身を除く): 2474446

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 191, 206, 382, 515, 955, 1030, 1339, 1910, 2483, 2678, 4966, 6695, 12415, 13390, 19673, 24830, 39346, 98365, 196730, 255749, 511498, 1278745, 2557490]

約数ペア:

[(1, 2557490), (2, 1278745), (5, 511498), (10, 255749), (13, 196730), (26, 98365), (65, 39346), (103, 24830), (130, 19673), (191, 13390), (206, 12415), (382, 6695), (515, 4966), (955, 2678), (1030, 2483), (1339, 1910)]