64918784

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2131}}^1$

素因数の和:2171

約数の個数: 72

約数和(自身を含む): 156881088

約数和(自身を除く): 91962304

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 544, 896, 952, 1088, 1792, 1904, 2131, 2176, 3808, 4262, 4352, 7616, 8524, 14917, 15232, 17048, 29834, 30464, 34096, 36227, 59668, 68192, 72454, 119336, 136384, 144908, 238672, 253589, 272768, 289816, 477344, 507178, 545536, 579632, 954688, 1014356, 1159264, 1909376, 2028712, 2318528, 3818752, 4057424, 4637056, 8114848, 9274112, 16229696, 32459392, 64918784]

約数ペア:

[(1, 64918784), (2, 32459392), (4, 16229696), (7, 9274112), (8, 8114848), (14, 4637056), (16, 4057424), (17, 3818752), (28, 2318528), (32, 2028712), (34, 1909376), (56, 1159264), (64, 1014356), (68, 954688), (112, 579632), (119, 545536), (128, 507178), (136, 477344), (224, 289816), (238, 272768), (256, 253589), (272, 238672), (448, 144908), (476, 136384), (544, 119336), (896, 72454), (952, 68192), (1088, 59668), (1792, 36227), (1904, 34096), (2131, 30464), (2176, 29834), (3808, 17048), (4262, 15232), (4352, 14917), (7616, 8524)]