28578564

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:994

約数の個数: 108

約数和(自身を含む): 89071164

約数和(自身を除く): 60492600

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 49, 51, 63, 68, 84, 98, 102, 119, 126, 147, 153, 196, 204, 238, 252, 294, 306, 357, 441, 476, 588, 612, 714, 833, 882, 953, 1071, 1428, 1666, 1764, 1906, 2142, 2499, 2859, 3332, 3812, 4284, 4998, 5718, 6671, 7497, 8577, 9996, 11436, 13342, 14994, 16201, 17154, 20013, 26684, 29988, 32402, 34308, 40026, 46697, 48603, 60039, 64804, 80052, 93394, 97206, 113407, 120078, 140091, 145809, 186788, 194412, 226814, 240156, 280182, 291618, 340221, 420273, 453628, 560364, 583236, 680442, 793849, 840546, 1020663, 1360884, 1587698, 1681092, 2041326, 2381547, 3175396, 4082652, 4763094, 7144641, 9526188, 14289282, 28578564]

約数ペア:

[(1, 28578564), (2, 14289282), (3, 9526188), (4, 7144641), (6, 4763094), (7, 4082652), (9, 3175396), (12, 2381547), (14, 2041326), (17, 1681092), (18, 1587698), (21, 1360884), (28, 1020663), (34, 840546), (36, 793849), (42, 680442), (49, 583236), (51, 560364), (63, 453628), (68, 420273), (84, 340221), (98, 291618), (102, 280182), (119, 240156), (126, 226814), (147, 194412), (153, 186788), (196, 145809), (204, 140091), (238, 120078), (252, 113407), (294, 97206), (306, 93394), (357, 80052), (441, 64804), (476, 60039), (588, 48603), (612, 46697), (714, 40026), (833, 34308), (882, 32402), (953, 29988), (1071, 26684), (1428, 20013), (1666, 17154), (1764, 16201), (1906, 14994), (2142, 13342), (2499, 11436), (2859, 9996), (3332, 8577), (3812, 7497), (4284, 6671), (4998, 5718)]