53981375

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 86261760

約数和(自身を除く): 32280385

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 125, 133, 175, 191, 323, 425, 475, 595, 665, 875, 955, 1337, 1615, 2125, 2261, 2375, 2975, 3247, 3325, 3629, 4775, 6685, 8075, 11305, 14875, 16235, 16625, 18145, 22729, 23875, 25403, 33425, 40375, 56525, 61693, 81175, 90725, 113645, 127015, 167125, 282625, 308465, 405875, 431851, 453625, 568225, 635075, 1542325, 2159255, 2841125, 3175375, 7711625, 10796275, 53981375]

約数ペア:

[(1, 53981375), (5, 10796275), (7, 7711625), (17, 3175375), (19, 2841125), (25, 2159255), (35, 1542325), (85, 635075), (95, 568225), (119, 453625), (125, 431851), (133, 405875), (175, 308465), (191, 282625), (323, 167125), (425, 127015), (475, 113645), (595, 90725), (665, 81175), (875, 61693), (955, 56525), (1337, 40375), (1615, 33425), (2125, 25403), (2261, 23875), (2375, 22729), (2975, 18145), (3247, 16625), (3325, 16235), (3629, 14875), (4775, 11305), (6685, 8075)]