781569012

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{821}}^1\times {\mathrm{1619}}^1$

素因数の和:2461

約数の個数: 72

約数和(自身を含む): 2125297440

約数和(自身を除く): 1343728428

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 821, 1619, 1642, 2463, 3238, 3284, 4857, 4926, 5747, 6476, 9714, 9852, 11333, 11494, 17241, 19428, 22666, 22988, 33999, 34482, 40229, 45332, 67998, 68964, 79331, 80458, 120687, 135996, 158662, 160916, 237993, 241374, 317324, 475986, 482748, 951972, 1329199, 2658398, 3987597, 5316796, 7975194, 9304393, 15950388, 18608786, 27913179, 37217572, 55826358, 65130751, 111652716, 130261502, 195392253, 260523004, 390784506, 781569012]

約数ペア:

[(1, 781569012), (2, 390784506), (3, 260523004), (4, 195392253), (6, 130261502), (7, 111652716), (12, 65130751), (14, 55826358), (21, 37217572), (28, 27913179), (42, 18608786), (49, 15950388), (84, 9304393), (98, 7975194), (147, 5316796), (196, 3987597), (294, 2658398), (588, 1329199), (821, 951972), (1619, 482748), (1642, 475986), (2463, 317324), (3238, 241374), (3284, 237993), (4857, 160916), (4926, 158662), (5747, 135996), (6476, 120687), (9714, 80458), (9852, 79331), (11333, 68964), (11494, 67998), (17241, 45332), (19428, 40229), (22666, 34482), (22988, 33999)]