64873744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5113}}^1$

素因数の和:5195

約数の個数: 40

約数和(自身を含む): 137607512

約数和(自身を除く): 72733768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 5113, 6344, 10226, 12688, 20452, 40904, 66469, 81808, 132938, 265876, 311893, 531752, 623786, 1063504, 1247572, 2495144, 4054609, 4990288, 8109218, 16218436, 32436872, 64873744]

約数ペア:

[(1, 64873744), (2, 32436872), (4, 16218436), (8, 8109218), (13, 4990288), (16, 4054609), (26, 2495144), (52, 1247572), (61, 1063504), (104, 623786), (122, 531752), (208, 311893), (244, 265876), (488, 132938), (793, 81808), (976, 66469), (1586, 40904), (3172, 20452), (5113, 12688), (6344, 10226)]