161088256

素因数分解:

$2^8\times 7^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 369996704

約数和(自身を除く): 208908448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 241, 256, 373, 448, 482, 746, 896, 964, 1492, 1687, 1792, 1928, 2611, 2984, 3374, 3856, 5222, 5968, 6748, 7712, 10444, 11936, 13496, 15424, 20888, 23872, 26992, 30848, 41776, 47744, 53984, 61696, 83552, 89893, 95488, 107968, 167104, 179786, 215936, 334208, 359572, 431872, 629251, 668416, 719144, 1258502, 1438288, 2517004, 2876576, 5034008, 5753152, 10068016, 11506304, 20136032, 23012608, 40272064, 80544128, 161088256]

約数ペア:

[(1, 161088256), (2, 80544128), (4, 40272064), (7, 23012608), (8, 20136032), (14, 11506304), (16, 10068016), (28, 5753152), (32, 5034008), (56, 2876576), (64, 2517004), (112, 1438288), (128, 1258502), (224, 719144), (241, 668416), (256, 629251), (373, 431872), (448, 359572), (482, 334208), (746, 215936), (896, 179786), (964, 167104), (1492, 107968), (1687, 95488), (1792, 89893), (1928, 83552), (2611, 61696), (2984, 53984), (3374, 47744), (3856, 41776), (5222, 30848), (5968, 26992), (6748, 23872), (7712, 20888), (10444, 15424), (11936, 13496)]