644138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:122

約数の個数: 32

約数和(自身を含む): 1175040

約数和(自身を除く): 530902

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 67, 134, 209, 253, 418, 437, 506, 737, 874, 1273, 1474, 1541, 2546, 3082, 4807, 9614, 14003, 16951, 28006, 29279, 33902, 58558, 322069, 644138]

約数ペア:

[(1, 644138), (2, 322069), (11, 58558), (19, 33902), (22, 29279), (23, 28006), (38, 16951), (46, 14003), (67, 9614), (134, 4807), (209, 3082), (253, 2546), (418, 1541), (437, 1474), (506, 1273), (737, 874)]