51988475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 81423360

約数和(自身を除く): 29434885

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 113, 175, 239, 275, 385, 565, 791, 1195, 1243, 1673, 1925, 2629, 2825, 3955, 5975, 6215, 8365, 8701, 13145, 18403, 19775, 27007, 31075, 41825, 43505, 65725, 92015, 135035, 189049, 217525, 297077, 460075, 675175, 945245, 1485385, 2079539, 4726225, 7426925, 10397695, 51988475]

約数ペア:

[(1, 51988475), (5, 10397695), (7, 7426925), (11, 4726225), (25, 2079539), (35, 1485385), (55, 945245), (77, 675175), (113, 460075), (175, 297077), (239, 217525), (275, 189049), (385, 135035), (565, 92015), (791, 65725), (1195, 43505), (1243, 41825), (1673, 31075), (1925, 27007), (2629, 19775), (2825, 18403), (3955, 13145), (5975, 8701), (6215, 8365)]