64415776

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2081

約数の個数: 48

約数和(自身を含む): 136080000

約数和(自身を除く): 71664224

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 76, 106, 152, 212, 304, 424, 608, 848, 1007, 1696, 1999, 2014, 3998, 4028, 7996, 8056, 15992, 16112, 31984, 32224, 37981, 63968, 75962, 105947, 151924, 211894, 303848, 423788, 607696, 847576, 1215392, 1695152, 2012993, 3390304, 4025986, 8051972, 16103944, 32207888, 64415776]

約数ペア:

[(1, 64415776), (2, 32207888), (4, 16103944), (8, 8051972), (16, 4025986), (19, 3390304), (32, 2012993), (38, 1695152), (53, 1215392), (76, 847576), (106, 607696), (152, 423788), (212, 303848), (304, 211894), (424, 151924), (608, 105947), (848, 75962), (1007, 63968), (1696, 37981), (1999, 32224), (2014, 31984), (3998, 16112), (4028, 15992), (7996, 8056)]