72291916

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{457}}^1\times {\mathrm{557}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 128804256

約数和(自身を除く): 56512340

約数列:

[1, 2, 4, 71, 142, 284, 457, 557, 914, 1114, 1828, 2228, 32447, 39547, 64894, 79094, 129788, 158188, 254549, 509098, 1018196, 18072979, 36145958, 72291916]

約数ペア:

[(1, 72291916), (2, 36145958), (4, 18072979), (71, 1018196), (142, 509098), (284, 254549), (457, 158188), (557, 129788), (914, 79094), (1114, 64894), (1828, 39547), (2228, 32447)]