31474925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 44520960

約数和(自身を除く): 13046035

約数列:

[1, 5, 19, 23, 25, 43, 67, 95, 115, 215, 335, 437, 475, 575, 817, 989, 1075, 1273, 1541, 1675, 2185, 2881, 4085, 4945, 6365, 7705, 10925, 14405, 18791, 20425, 24725, 29279, 31825, 38525, 54739, 66263, 72025, 93955, 146395, 273695, 331315, 469775, 731975, 1258997, 1368475, 1656575, 6294985, 31474925]

約数ペア:

[(1, 31474925), (5, 6294985), (19, 1656575), (23, 1368475), (25, 1258997), (43, 731975), (67, 469775), (95, 331315), (115, 273695), (215, 146395), (335, 93955), (437, 72025), (475, 66263), (575, 54739), (817, 38525), (989, 31825), (1075, 29279), (1273, 24725), (1541, 20425), (1675, 18791), (2185, 14405), (2881, 10925), (4085, 7705), (4945, 6365)]