213220378

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{2543}}^1$

素因数の和:2718

約数の個数: 32

約数和(自身を含む): 375860736

約数和(自身を除く): 162640358

約数列:

[1, 2, 7, 14, 53, 106, 113, 226, 371, 742, 791, 1582, 2543, 5086, 5989, 11978, 17801, 35602, 41923, 83846, 134779, 269558, 287359, 574718, 943453, 1886906, 2011513, 4023026, 15230027, 30460054, 106610189, 213220378]

約数ペア:

[(1, 213220378), (2, 106610189), (7, 30460054), (14, 15230027), (53, 4023026), (106, 2011513), (113, 1886906), (226, 943453), (371, 574718), (742, 287359), (791, 269558), (1582, 134779), (2543, 83846), (5086, 41923), (5989, 35602), (11978, 17801)]