202978979

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 254017536

約数和(自身を除く): 51038557

約数列:

[1, 7, 23, 31, 67, 161, 217, 469, 607, 713, 1541, 2077, 4249, 4991, 10787, 13961, 14539, 18817, 40669, 47771, 97727, 131719, 284683, 334397, 432791, 935387, 1260739, 3029537, 6547709, 8825173, 28996997, 202978979]

約数ペア:

[(1, 202978979), (7, 28996997), (23, 8825173), (31, 6547709), (67, 3029537), (161, 1260739), (217, 935387), (469, 432791), (607, 334397), (713, 284683), (1541, 131719), (2077, 97727), (4249, 47771), (4991, 40669), (10787, 18817), (13961, 14539)]