51216172

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 116348400

約数和(自身を除く): 65132228

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 49, 68, 76, 98, 119, 133, 196, 238, 266, 323, 476, 532, 646, 809, 833, 931, 1292, 1618, 1666, 1862, 2261, 3236, 3332, 3724, 4522, 5663, 9044, 11326, 13753, 15371, 15827, 22652, 27506, 30742, 31654, 39641, 55012, 61484, 63308, 79282, 96271, 107597, 158564, 192542, 215194, 261307, 385084, 430388, 522614, 673897, 753179, 1045228, 1347794, 1506358, 1829149, 2695588, 3012716, 3658298, 7316596, 12804043, 25608086, 51216172]

約数ペア:

[(1, 51216172), (2, 25608086), (4, 12804043), (7, 7316596), (14, 3658298), (17, 3012716), (19, 2695588), (28, 1829149), (34, 1506358), (38, 1347794), (49, 1045228), (68, 753179), (76, 673897), (98, 522614), (119, 430388), (133, 385084), (196, 261307), (238, 215194), (266, 192542), (323, 158564), (476, 107597), (532, 96271), (646, 79282), (809, 63308), (833, 61484), (931, 55012), (1292, 39641), (1618, 31654), (1666, 30742), (1862, 27506), (2261, 22652), (3236, 15827), (3332, 15371), (3724, 13753), (4522, 11326), (5663, 9044)]