66889472

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 145941600

約数和(自身を除く): 79052128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 101, 104, 128, 199, 202, 208, 256, 398, 404, 416, 796, 808, 832, 1313, 1592, 1616, 1664, 2587, 2626, 3184, 3232, 3328, 5174, 5252, 6368, 6464, 10348, 10504, 12736, 12928, 20099, 20696, 21008, 25472, 25856, 40198, 41392, 42016, 50944, 80396, 82784, 84032, 160792, 165568, 168064, 261287, 321584, 331136, 336128, 522574, 643168, 662272, 1045148, 1286336, 2090296, 2572672, 4180592, 5145344, 8361184, 16722368, 33444736, 66889472]

約数ペア:

[(1, 66889472), (2, 33444736), (4, 16722368), (8, 8361184), (13, 5145344), (16, 4180592), (26, 2572672), (32, 2090296), (52, 1286336), (64, 1045148), (101, 662272), (104, 643168), (128, 522574), (199, 336128), (202, 331136), (208, 321584), (256, 261287), (398, 168064), (404, 165568), (416, 160792), (796, 84032), (808, 82784), (832, 80396), (1313, 50944), (1592, 42016), (1616, 41392), (1664, 40198), (2587, 25856), (2626, 25472), (3184, 21008), (3232, 20696), (3328, 20099), (5174, 12928), (5252, 12736), (6368, 10504), (6464, 10348)]