38739575

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 59043840

約数和(自身を除く): 20304265

約数列:

[1, 5, 7, 19, 25, 35, 61, 95, 133, 175, 191, 305, 427, 475, 665, 955, 1159, 1337, 1525, 2135, 3325, 3629, 4775, 5795, 6685, 8113, 10675, 11651, 18145, 25403, 28975, 33425, 40565, 58255, 81557, 90725, 127015, 202825, 221369, 291275, 407785, 635075, 1106845, 1549583, 2038925, 5534225, 7747915, 38739575]

約数ペア:

[(1, 38739575), (5, 7747915), (7, 5534225), (19, 2038925), (25, 1549583), (35, 1106845), (61, 635075), (95, 407785), (133, 291275), (175, 221369), (191, 202825), (305, 127015), (427, 90725), (475, 81557), (665, 58255), (955, 40565), (1159, 33425), (1337, 28975), (1525, 25403), (2135, 18145), (3325, 11651), (3629, 10675), (4775, 8113), (5795, 6685)]