215683516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{39971}}^1$

素因数の和:40065

約数の個数: 24

約数和(自身を含む): 402917760

約数和(自身を除く): 187234244

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5396, 39971, 79942, 159884, 759449, 1518898, 2837941, 3037796, 5675882, 11351764, 53920879, 107841758, 215683516]

約数ペア:

[(1, 215683516), (2, 107841758), (4, 53920879), (19, 11351764), (38, 5675882), (71, 3037796), (76, 2837941), (142, 1518898), (284, 759449), (1349, 159884), (2698, 79942), (5396, 39971)]