16981954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 28994112

約数和(自身を除く): 12012158

約数列:

[1, 2, 11, 22, 41, 67, 82, 134, 281, 451, 562, 737, 902, 1474, 2747, 3091, 5494, 6182, 11521, 18827, 23042, 30217, 37654, 60434, 126731, 207097, 253462, 414194, 771907, 1543814, 8490977, 16981954]

約数ペア:

[(1, 16981954), (2, 8490977), (11, 1543814), (22, 771907), (41, 414194), (67, 253462), (82, 207097), (134, 126731), (281, 60434), (451, 37654), (562, 30217), (737, 23042), (902, 18827), (1474, 11521), (2747, 6182), (3091, 5494)]