138248655

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 247104000

約数和(自身を除く): 108855345

約数列:

[1, 3, 5, 15, 19, 29, 43, 57, 87, 95, 129, 145, 215, 285, 389, 435, 551, 645, 817, 1167, 1247, 1653, 1945, 2451, 2755, 3741, 4085, 5835, 6235, 7391, 8265, 11281, 12255, 16727, 18705, 22173, 23693, 33843, 36955, 50181, 56405, 71079, 83635, 110865, 118465, 169215, 214339, 250905, 317813, 355395, 485083, 643017, 953439, 1071695, 1455249, 1589065, 2425415, 3215085, 4767195, 7276245, 9216577, 27649731, 46082885, 138248655]

約数ペア:

[(1, 138248655), (3, 46082885), (5, 27649731), (15, 9216577), (19, 7276245), (29, 4767195), (43, 3215085), (57, 2425415), (87, 1589065), (95, 1455249), (129, 1071695), (145, 953439), (215, 643017), (285, 485083), (389, 355395), (435, 317813), (551, 250905), (645, 214339), (817, 169215), (1167, 118465), (1247, 110865), (1653, 83635), (1945, 71079), (2451, 56405), (2755, 50181), (3741, 36955), (4085, 33843), (5835, 23693), (6235, 22173), (7391, 18705), (8265, 16727), (11281, 12255)]