648305384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{21433}}^1$

素因数の和:21657

約数の個数: 32

約数和(自身を含む): 1286040000

約数和(自身を除く): 637734616

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 796, 1592, 3781, 7562, 15124, 21433, 30248, 42866, 85732, 171464, 407227, 814454, 1628908, 3257816, 4265167, 8530334, 17060668, 34121336, 81038173, 162076346, 324152692, 648305384]

約数ペア:

[(1, 648305384), (2, 324152692), (4, 162076346), (8, 81038173), (19, 34121336), (38, 17060668), (76, 8530334), (152, 4265167), (199, 3257816), (398, 1628908), (796, 814454), (1592, 407227), (3781, 171464), (7562, 85732), (15124, 42866), (21433, 30248)]