1671985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 32

約数和(自身を含む): 2506752

約数和(自身を除く): 834767

約数列:

[1, 5, 7, 23, 31, 35, 67, 115, 155, 161, 217, 335, 469, 713, 805, 1085, 1541, 2077, 2345, 3565, 4991, 7705, 10385, 10787, 14539, 24955, 47771, 53935, 72695, 238855, 334397, 1671985]

約数ペア:

[(1, 1671985), (5, 334397), (7, 238855), (23, 72695), (31, 53935), (35, 47771), (67, 24955), (115, 14539), (155, 10787), (161, 10385), (217, 7705), (335, 4991), (469, 3565), (713, 2345), (805, 2077), (1085, 1541)]