66717952

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1255

約数の個数: 72

約数和(自身を含む): 157240832

約数和(自身を除く): 90522880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1201, 1736, 1792, 1984, 2402, 3472, 3968, 4804, 6944, 7936, 8407, 9608, 13888, 16814, 19216, 27776, 33628, 37231, 38432, 55552, 67256, 74462, 76864, 134512, 148924, 153728, 260617, 269024, 297848, 307456, 521234, 538048, 595696, 1042468, 1076096, 1191392, 2084936, 2152192, 2382784, 4169872, 4765568, 8339744, 9531136, 16679488, 33358976, 66717952]

約数ペア:

[(1, 66717952), (2, 33358976), (4, 16679488), (7, 9531136), (8, 8339744), (14, 4765568), (16, 4169872), (28, 2382784), (31, 2152192), (32, 2084936), (56, 1191392), (62, 1076096), (64, 1042468), (112, 595696), (124, 538048), (128, 521234), (217, 307456), (224, 297848), (248, 269024), (256, 260617), (434, 153728), (448, 148924), (496, 134512), (868, 76864), (896, 74462), (992, 67256), (1201, 55552), (1736, 38432), (1792, 37231), (1984, 33628), (2402, 27776), (3472, 19216), (3968, 16814), (4804, 13888), (6944, 9608), (7936, 8407)]