257003626

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{1217}}^1$

素因数の和:1590

約数の個数: 32

約数和(自身を含む): 436726080

約数和(自身を除く): 179722454

約数列:

[1, 2, 11, 22, 29, 58, 319, 331, 638, 662, 1217, 2434, 3641, 7282, 9599, 13387, 19198, 26774, 35293, 70586, 105589, 211178, 388223, 402827, 776446, 805654, 4431097, 8862194, 11681983, 23363966, 128501813, 257003626]

約数ペア:

[(1, 257003626), (2, 128501813), (11, 23363966), (22, 11681983), (29, 8862194), (58, 4431097), (319, 805654), (331, 776446), (638, 402827), (662, 388223), (1217, 211178), (2434, 105589), (3641, 70586), (7282, 35293), (9599, 26774), (13387, 19198)]