39995921

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1237}}^1$

素因数の和:1424

約数の個数: 16

約数和(自身を含む): 47539200

約数和(自身を除く): 7543279

約数列:

[1, 7, 31, 149, 217, 1043, 1237, 4619, 8659, 32333, 38347, 184313, 268429, 1290191, 5713703, 39995921]

約数ペア:

[(1, 39995921), (7, 5713703), (31, 1290191), (149, 268429), (217, 184313), (1043, 38347), (1237, 32333), (4619, 8659)]