28980276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 78236928

約数和(自身を除く): 49256652

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 41, 46, 52, 69, 78, 82, 92, 123, 138, 156, 164, 197, 246, 276, 299, 394, 492, 533, 591, 598, 788, 897, 943, 1066, 1182, 1196, 1599, 1794, 1886, 2132, 2364, 2561, 2829, 3198, 3588, 3772, 4531, 5122, 5658, 6396, 7683, 8077, 9062, 10244, 11316, 12259, 13593, 15366, 16154, 18124, 24231, 24518, 27186, 30732, 32308, 36777, 48462, 49036, 54372, 58903, 73554, 96924, 105001, 117806, 147108, 176709, 185771, 210002, 235612, 315003, 353418, 371542, 420004, 557313, 630006, 706836, 743084, 1114626, 1260012, 2229252, 2415023, 4830046, 7245069, 9660092, 14490138, 28980276]

約数ペア:

[(1, 28980276), (2, 14490138), (3, 9660092), (4, 7245069), (6, 4830046), (12, 2415023), (13, 2229252), (23, 1260012), (26, 1114626), (39, 743084), (41, 706836), (46, 630006), (52, 557313), (69, 420004), (78, 371542), (82, 353418), (92, 315003), (123, 235612), (138, 210002), (156, 185771), (164, 176709), (197, 147108), (246, 117806), (276, 105001), (299, 96924), (394, 73554), (492, 58903), (533, 54372), (591, 49036), (598, 48462), (788, 36777), (897, 32308), (943, 30732), (1066, 27186), (1182, 24518), (1196, 24231), (1599, 18124), (1794, 16154), (1886, 15366), (2132, 13593), (2364, 12259), (2561, 11316), (2829, 10244), (3198, 9062), (3588, 8077), (3772, 7683), (4531, 6396), (5122, 5658)]