28215916

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{587}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 50528016

約数和(自身を除く): 22312100

約数列:

[1, 2, 4, 61, 122, 197, 244, 394, 587, 788, 1174, 2348, 12017, 24034, 35807, 48068, 71614, 115639, 143228, 231278, 462556, 7053979, 14107958, 28215916]

約数ペア:

[(1, 28215916), (2, 14107958), (4, 7053979), (61, 462556), (122, 231278), (197, 143228), (244, 115639), (394, 71614), (587, 48068), (788, 35807), (1174, 24034), (2348, 12017)]