16216915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 23518656

約数和(自身を除く): 7301741

約数列:

[1, 5, 11, 13, 37, 55, 65, 143, 185, 407, 481, 613, 715, 2035, 2405, 3065, 5291, 6743, 7969, 22681, 26455, 33715, 39845, 87659, 113405, 249491, 294853, 438295, 1247455, 1474265, 3243383, 16216915]

約数ペア:

[(1, 16216915), (5, 3243383), (11, 1474265), (13, 1247455), (37, 438295), (55, 294853), (65, 249491), (143, 113405), (185, 87659), (407, 39845), (481, 33715), (613, 26455), (715, 22681), (2035, 7969), (2405, 6743), (3065, 5291)]