644813156728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3089}}^1\times {\mathrm{37871}}^1$

素因数の和:41032

約数の個数: 64

約数和(自身を含む): 1327057603200

約数和(自身を除く): 682244446472

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3089, 5512, 6178, 12356, 24712, 37871, 40157, 75742, 80314, 151484, 160628, 163717, 302968, 321256, 327434, 492323, 654868, 984646, 1309736, 1969292, 2007163, 2128321, 3938584, 4014326, 4256642, 8028652, 8513284, 16057304, 17026568, 26093119, 52186238, 104372476, 116983519, 208744952, 233967038, 467934076, 935868152, 1520785747, 3041571494, 6083142988, 6200126507, 12166285976, 12400253014, 24800506028, 49601012056, 80601644591, 161203289182, 322406578364, 644813156728]

約数ペア:

[(1, 644813156728), (2, 322406578364), (4, 161203289182), (8, 80601644591), (13, 49601012056), (26, 24800506028), (52, 12400253014), (53, 12166285976), (104, 6200126507), (106, 6083142988), (212, 3041571494), (424, 1520785747), (689, 935868152), (1378, 467934076), (2756, 233967038), (3089, 208744952), (5512, 116983519), (6178, 104372476), (12356, 52186238), (24712, 26093119), (37871, 17026568), (40157, 16057304), (75742, 8513284), (80314, 8028652), (151484, 4256642), (160628, 4014326), (163717, 3938584), (302968, 2128321), (321256, 2007163), (327434, 1969292), (492323, 1309736), (654868, 984646)]