38970568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 90720000

約数和(自身を除く): 51749432

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 199, 269, 364, 398, 538, 728, 796, 1076, 1393, 1592, 1883, 2152, 2587, 2786, 3497, 3766, 5174, 5572, 6994, 7532, 10348, 11144, 13988, 15064, 18109, 20696, 24479, 27976, 36218, 48958, 53531, 72436, 97916, 107062, 144872, 195832, 214124, 374717, 428248, 695903, 749434, 1391806, 1498868, 2783612, 2997736, 4871321, 5567224, 9742642, 19485284, 38970568]

約数ペア:

[(1, 38970568), (2, 19485284), (4, 9742642), (7, 5567224), (8, 4871321), (13, 2997736), (14, 2783612), (26, 1498868), (28, 1391806), (52, 749434), (56, 695903), (91, 428248), (104, 374717), (182, 214124), (199, 195832), (269, 144872), (364, 107062), (398, 97916), (538, 72436), (728, 53531), (796, 48958), (1076, 36218), (1393, 27976), (1592, 24479), (1883, 20696), (2152, 18109), (2587, 15064), (2786, 13988), (3497, 11144), (3766, 10348), (5174, 7532), (5572, 6994)]