81640936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 177644880

約数和(自身を除く): 96003944

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 61, 68, 104, 122, 136, 221, 244, 442, 488, 757, 793, 884, 1037, 1514, 1586, 1768, 2074, 3028, 3172, 4148, 6056, 6344, 8296, 9841, 12869, 13481, 19682, 25738, 26962, 39364, 46177, 51476, 53924, 78728, 92354, 102952, 107848, 167297, 184708, 334594, 369416, 600301, 669188, 785009, 1200602, 1338376, 1570018, 2401204, 3140036, 4802408, 6280072, 10205117, 20410234, 40820468, 81640936]

約数ペア:

[(1, 81640936), (2, 40820468), (4, 20410234), (8, 10205117), (13, 6280072), (17, 4802408), (26, 3140036), (34, 2401204), (52, 1570018), (61, 1338376), (68, 1200602), (104, 785009), (122, 669188), (136, 600301), (221, 369416), (244, 334594), (442, 184708), (488, 167297), (757, 107848), (793, 102952), (884, 92354), (1037, 78728), (1514, 53924), (1586, 51476), (1768, 46177), (2074, 39364), (3028, 26962), (3172, 25738), (4148, 19682), (6056, 13481), (6344, 12869), (8296, 9841)]