17921128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{421}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 35777160

約数和(自身を除く): 17856032

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 313, 421, 626, 842, 1252, 1684, 2504, 3368, 5321, 7157, 10642, 14314, 21284, 28628, 42568, 57256, 131773, 263546, 527092, 1054184, 2240141, 4480282, 8960564, 17921128]

約数ペア:

[(1, 17921128), (2, 8960564), (4, 4480282), (8, 2240141), (17, 1054184), (34, 527092), (68, 263546), (136, 131773), (313, 57256), (421, 42568), (626, 28628), (842, 21284), (1252, 14314), (1684, 10642), (2504, 7157), (3368, 5321)]