206918205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 369266688

約数和(自身を除く): 162348483

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 107, 141, 195, 211, 235, 321, 535, 611, 633, 705, 1055, 1391, 1605, 1833, 2743, 3055, 3165, 4173, 5029, 6955, 8229, 9165, 9917, 13715, 15087, 20865, 22577, 25145, 29751, 41145, 49585, 65377, 67731, 75435, 112885, 128921, 148755, 196131, 293501, 326885, 338655, 386763, 644605, 880503, 980655, 1061119, 1467505, 1933815, 3183357, 4402515, 5305595, 13794547, 15916785, 41383641, 68972735, 206918205]

約数ペア:

[(1, 206918205), (3, 68972735), (5, 41383641), (13, 15916785), (15, 13794547), (39, 5305595), (47, 4402515), (65, 3183357), (107, 1933815), (141, 1467505), (195, 1061119), (211, 980655), (235, 880503), (321, 644605), (535, 386763), (611, 338655), (633, 326885), (705, 293501), (1055, 196131), (1391, 148755), (1605, 128921), (1833, 112885), (2743, 75435), (3055, 67731), (3165, 65377), (4173, 49585), (5029, 41145), (6955, 29751), (8229, 25145), (9165, 22577), (9917, 20865), (13715, 15087)]