71357825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1951}}^1$

素因数の和:1998

約数の個数: 48

約数和(自身を含む): 116183040

約数和(自身を除く): 44825215

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 133, 175, 209, 275, 385, 475, 665, 1045, 1463, 1925, 1951, 3325, 5225, 7315, 9755, 13657, 21461, 36575, 37069, 48775, 68285, 107305, 150227, 185345, 259483, 341425, 407759, 536525, 751135, 926725, 1297415, 2038795, 2854313, 3755675, 6487075, 10193975, 14271565, 71357825]

約数ペア:

[(1, 71357825), (5, 14271565), (7, 10193975), (11, 6487075), (19, 3755675), (25, 2854313), (35, 2038795), (55, 1297415), (77, 926725), (95, 751135), (133, 536525), (175, 407759), (209, 341425), (275, 259483), (385, 185345), (475, 150227), (665, 107305), (1045, 68285), (1463, 48775), (1925, 37069), (1951, 36575), (3325, 21461), (5225, 13657), (7315, 9755)]