17978602078

素因数分解:

$2^1\times {\mathrm{421}}^1\times {\mathrm{659}}^1\times {\mathrm{32401}}^1$

素因数の和:33483

約数の個数: 16

約数和(自身を含む): 27073815120

約数和(自身を除く): 9095213042

約数列:

[1, 2, 421, 659, 842, 1318, 32401, 64802, 277439, 554878, 13640821, 21352259, 27281642, 42704518, 8989301039, 17978602078]

約数ペア:

[(1, 17978602078), (2, 8989301039), (421, 42704518), (659, 27281642), (842, 21352259), (1318, 13640821), (32401, 554878), (64802, 277439)]