819397012

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 1706443200

約数和(自身を除く): 887046188

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 107, 178, 196, 214, 356, 428, 439, 623, 749, 878, 1246, 1498, 1756, 2492, 2996, 3073, 4361, 5243, 6146, 8722, 9523, 10486, 12292, 17444, 19046, 20972, 21511, 38092, 39071, 43022, 46973, 66661, 78142, 86044, 93946, 133322, 156284, 187892, 266644, 273497, 328811, 466627, 546994, 657622, 933254, 1093988, 1315244, 1866508, 1914479, 2301677, 3828958, 4180597, 4603354, 7657916, 8361194, 9206708, 16722388, 29264179, 58528358, 117056716, 204849253, 409698506, 819397012]

約数ペア:

[(1, 819397012), (2, 409698506), (4, 204849253), (7, 117056716), (14, 58528358), (28, 29264179), (49, 16722388), (89, 9206708), (98, 8361194), (107, 7657916), (178, 4603354), (196, 4180597), (214, 3828958), (356, 2301677), (428, 1914479), (439, 1866508), (623, 1315244), (749, 1093988), (878, 933254), (1246, 657622), (1498, 546994), (1756, 466627), (2492, 328811), (2996, 273497), (3073, 266644), (4361, 187892), (5243, 156284), (6146, 133322), (8722, 93946), (9523, 86044), (10486, 78142), (12292, 66661), (17444, 46973), (19046, 43022), (20972, 39071), (21511, 38092)]