25511395

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 40055040

約数和(自身を除く): 14543645

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 169, 227, 247, 455, 665, 845, 1135, 1183, 1235, 1589, 1729, 2951, 3211, 4313, 5915, 7945, 8645, 14755, 16055, 20657, 21565, 22477, 30191, 38363, 56069, 103285, 112385, 150955, 191815, 268541, 280345, 392483, 728897, 1342705, 1962415, 3644485, 5102279, 25511395]

約数ペア:

[(1, 25511395), (5, 5102279), (7, 3644485), (13, 1962415), (19, 1342705), (35, 728897), (65, 392483), (91, 280345), (95, 268541), (133, 191815), (169, 150955), (227, 112385), (247, 103285), (455, 56069), (665, 38363), (845, 30191), (1135, 22477), (1183, 21565), (1235, 20657), (1589, 16055), (1729, 14755), (2951, 8645), (3211, 7945), (4313, 5915)]