221428116

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 694197504

約数和(自身を除く): 472769388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 257, 263, 273, 364, 468, 514, 526, 546, 771, 789, 819, 1028, 1052, 1092, 1542, 1578, 1638, 1799, 1841, 2313, 2367, 3084, 3156, 3276, 3341, 3419, 3598, 3682, 4626, 4734, 5397, 5523, 6682, 6838, 7196, 7364, 9252, 9468, 10023, 10257, 10794, 11046, 13364, 13676, 16191, 16569, 20046, 20514, 21588, 22092, 23387, 23933, 30069, 30771, 32382, 33138, 40092, 41028, 46774, 47866, 60138, 61542, 64764, 66276, 67591, 70161, 71799, 93548, 95732, 120276, 123084, 135182, 140322, 143598, 202773, 210483, 215397, 270364, 280644, 287196, 405546, 420966, 430794, 473137, 608319, 811092, 841932, 861588, 878683, 946274, 1216638, 1419411, 1757366, 1892548, 2433276, 2636049, 2838822, 3514732, 4258233, 5272098, 5677644, 6150781, 7908147, 8516466, 10544196, 12301562, 15816294, 17032932, 18452343, 24603124, 31632588, 36904686, 55357029, 73809372, 110714058, 221428116]

約数ペア:

[(1, 221428116), (2, 110714058), (3, 73809372), (4, 55357029), (6, 36904686), (7, 31632588), (9, 24603124), (12, 18452343), (13, 17032932), (14, 15816294), (18, 12301562), (21, 10544196), (26, 8516466), (28, 7908147), (36, 6150781), (39, 5677644), (42, 5272098), (52, 4258233), (63, 3514732), (78, 2838822), (84, 2636049), (91, 2433276), (117, 1892548), (126, 1757366), (156, 1419411), (182, 1216638), (234, 946274), (252, 878683), (257, 861588), (263, 841932), (273, 811092), (364, 608319), (468, 473137), (514, 430794), (526, 420966), (546, 405546), (771, 287196), (789, 280644), (819, 270364), (1028, 215397), (1052, 210483), (1092, 202773), (1542, 143598), (1578, 140322), (1638, 135182), (1799, 123084), (1841, 120276), (2313, 95732), (2367, 93548), (3084, 71799), (3156, 70161), (3276, 67591), (3341, 66276), (3419, 64764), (3598, 61542), (3682, 60138), (4626, 47866), (4734, 46774), (5397, 41028), (5523, 40092), (6682, 33138), (6838, 32382), (7196, 30771), (7364, 30069), (9252, 23933), (9468, 23387), (10023, 22092), (10257, 21588), (10794, 20514), (11046, 20046), (13364, 16569), (13676, 16191)]