209990196

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{448697}}^1$

素因数の和:448720

約数の個数: 36

約数和(自身を含む): 571641252

約数和(自身を除く): 361651056

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 448697, 897394, 1346091, 1794788, 2692182, 4038273, 5384364, 5833061, 8076546, 11666122, 16153092, 17499183, 23332244, 34998366, 52497549, 69996732, 104995098, 209990196]

約数ペア:

[(1, 209990196), (2, 104995098), (3, 69996732), (4, 52497549), (6, 34998366), (9, 23332244), (12, 17499183), (13, 16153092), (18, 11666122), (26, 8076546), (36, 5833061), (39, 5384364), (52, 4038273), (78, 2692182), (117, 1794788), (156, 1346091), (234, 897394), (468, 448697)]